Analysis of Emergency Assembly Points for Post-Earthquake Disaster Management: A Case Study of Erzincan, Türkiye

Analysis of Emergency Assembly Points for Post-Earthquake Disaster Management: A Case Study of Erzincan, Türkiye | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Analysis of Emergency Assembly Points for Post-Earthquake Disaster Management: A Case Study of Erzincan, Türkiye Alper Akar, Özlem Akar, Berkant Konakoğlu This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4032057/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 13 Jun, 2024 Read the published version in Natural Hazards → Version 1 posted 5 You are reading this latest preprint version Abstract The selection of emergency assembly points within the urban area holds significant importance for ensuring swift and effective intervention in the aftermath of a potential disaster until temporary shelter areas are prepared. In both historical and instrumental periods, Erzincan (Turkey) has experienced major earthquakes resulting in significant loss of life and property. The likelihood of similar earthquakes occurring in Erzincan in the future remains high. Therefore, it is necessary to identify safe areas where people can assemble after an earthquake, moving away from hazardous zones. The aim of this study is to analyse the capacities and adequacies of emergency assembly points, which constitute a step in disaster management and enhance the earthquake resilience of the city, using Geographic Information Systems (GIS) based on selected criteria (accessibility, spatial distribution, proximity to healthcare facilities, size, capacity adequacy, and proximity to fault avoidance zones), and to propose solutions. The assessment revealed that the available assembly points are not homogeneously distributed throughout the city and are inadequate to meet the available building and population density. Therefore, in addition to the available 38 emergency assembly points, 67 new alternative emergency assembly points have been identified. The proposed emergency assembly areas (in the 75–100% range) increased the number of neighborhoods within the 250m service area by 43.75% and 42.5% for 500m.The findings underscore the necessity for more comprehensive and effective planning for Erzincan in the event of a potential disaster or emergency. Emergency assembly points Disaster management Disaster resilience Geographic Information System Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Introduction Disasters are events, whether natural or human-made (Bakhshian and Martinez-Pastor 2023 ; Noji 2005 ; Makwana 2019 ), that can affect entire communities or specific segments, resulting in physical, economic, and social losses, disrupting or halting normal life and human activities, damage to the environment and where the affected community's coping capacity is insufficient (Rambha et al. 2021 ; AFAD 2023; Yu et al. 2018 ; Abid et al. 2021 ). Various natural events such as earthquakes, tsunamis, hurricanes, floods, landslides, volcanic eruptions, and droughts constitute different types of disasters. Türkiye is frequently exposed to disasters due to meteorological, geological and topographic conditions (Gerdan and Şen 2020 ). Earthquakes, which are among the most catastrophic natural disaster (Shrestha et al. 2018 ; Xenidis and Kaltsidi 2022 ), are defined as complex elastic wave movements caused by the sudden release of energy accumulated in fractures in the Earth's crust, known as faults. Türkiye, located in one of the significant tectonic regions within the Alpine-Himalayan belt, is influenced by the displacement movements of the Eurasian, Arabian, and African plates due to its geographical location (Chang et al. 2024 ). Türkiye encompasses important and active tectonic structures such as the North Anatolian Fault Zone, East Anatolian Fault Zone, Aegean extensional region, and Bitlis-Zagros thrust belt (Bayrak 2022 ). Throughout history, large-scale earthquakes have occurred along these fault lines in Türkiye, resulting in significant loss of life and property in the aftermath of severe earthquakes (Steinberg and Cruz 2004 ; Karanci and Rüstemli 1995; Erdik et al. 2004 ; Çınar et al. 2018 ). One of these fault zones, the North Anatolian Fault Zone (NAFZ), which is a right-lateral strike-slip transform fault system separating the Eurasian and Anatolian plates, is one of Türkiye's active tectonic fault zones due to its exceptional morphological features and generation of destructive earthquakes. The NAFZ spans approximately 1400 km along the east-west part of Anatolia from Karlıova to the northern Aegean Sea (Şengör and Kidd 1979 ). NAFZ was first revealed with the Erzincan earthquake on December 27, 1939, and research on this fault zone has continued since then until today (Kıranşan 2022 ). The Erzincan Plain, situated on the NAFZ, is a tectonic plain formed due to the movement of this fault. The fact that the city center is within this plain and close to this fault zone increases the risk of disasters. Therefore, earthquakes are the foremost concern in terms of natural disasters throughout the plain. According to the literature, the earthquake that occurred in Erzincan on December 27, 1939 (Ms > 7.9) is considered the largest earthquake to have occurred in Anatolia from the 19th century to the present day (Haçin 2014 ; Koçbulut 2023 ). This earthquake caused surface ruptures along a approximately 360-kilometer-long line from Erzincan to Ezinepazar in Amasya (Koçbulut 2023 ; Dündar2 019; Gürsoy et al. 2013 ). The earthquake resulted in the loss of 32,968 lives and the collapse of 116,720 buildings (KOERI 2017; Haçin 2014 ). Additionally, another earthquake with a magnitude of Ms 6.8 occurred in Erzincan on March 13, 1992 (Fuenzalida et al. 1997 ; Grosser et al. 1998 ; Aktar et al. 2004 ). As a result of this earthquake, 653 people lost their lives, and 8,057 buildings were damaged or destroyed (Kurtuluş 1993 ). The impact and magnitude of disasters are measured by the human losses, injuries, structural damages, and socio-economic losses they cause. It is not possible to prevent natural event. However, by being prepared through natural hazard perception, awareness and education, these events can be prevented from turning into disasters or their damages can be minimized (Chaudhary and Piracha 2021 ; Öztürk and Şahinöz 2018 ). One of the crucial tasks within the scope of pre-disaster precautions is the spatial identification of assembly areas during disasters and emergencies, and announcing these areas to the public (Şirin and Ocak 2020 ). One of the frequently observed behaviours during disasters is people's attempts to exit enclosed spaces and buildings due to the shock they experience. After any earthquake, it is observed that people instinctively move away from areas with dense building stocks, driven by the need for safety, and begin to gather in the nearest open and green spaces. (Nogami 2022 ; Özyavuz et al. 2016 ; Zengin Çelik et al. 2018 ; Partigöç 2023 ; Yıldız 2023 ). These areas serve as assembly or shelter zones during and after earthquakes, thus contributing to the establishment of safe urban spaces (Anhorn and Khazai 2015 ). Examples of such open green spaces include parks, playgrounds, recreational areas, sports facilities, squares, marketplaces, educational, and official facilities. Assembly areas are spaces where disaster victims can safely reach and gather during disasters and emergencies without posing additional risks. Therefore, it is essential to select areas that do not pose disaster risks and have the infrastructure to meet basic needs (Maral et al. 2015 ). However, the fundamental question here is whether the open green spaces used as emergency assembly points are adequately equipped to meet the needs after a disaster or emergency. In Turkey, there is no legislation regarding the criteria to be used in determining emergency assembly areas (Uyar 2021 ). However, when examining the studies conducted, it is generally observed that five important criteria are taken into account for the identification and planning of these areas (JICA and IMM 2002). These criteria are as follows: (1) Accessibility: The maximum walking distance for individuals to reach assembly areas from building blocks should be 500 meters/15 minutes or less; (2) Connectivity with road axes: Assembly areas should be connected to main arteries (taking into account the risk of closure of roads), and continuity with other assembly areas should be ensured; (3) Usability and Multifunctionality: Existing active green spaces such as playgrounds, sports fields, pocket parks, neighborhood parks, small parks, and district parks; passive green spaces, turf fields; building gardens, schoolyards, mosque and hospital gardens; vacant lots, and open parking lots can be proposed as assembly areas. The area should not be smaller than 500 square meters; (4) Ownership: Public lands should be preferred. Vacant lots and open parking lots owned by private individuals can be preferred, taking into account accessibility, usability, road axes, continuity with other assembly areas, and spatial size. Structures such as public schools, mosques, etc., present in all neighborhoods, can also be used as assembly areas if they are seismically adequate; (5) Spatial Sizes: According to this criterion, emergency assembly areas should be determined with a minimum gross area of 1.5 m 2 per person. In Türkiye, when determining disaster and emergency assembly areas by AFAD (Disaster and Emergency Management Presidency), attention is paid to selection criteria such as: (1) Population density; (2) Accessibility and ease of evacuation; (3) Accessibility for people with disabilities and the elderly as much as possible; (4) Being away from secondary hazards such as fire, flooding, tsunami, infrastructure, and others, and being located in areas not affected by liquefaction and away from fault lines; (5) Being as flat as possible without obstacles; (6) Being close to residential areas but not affected by structural and non-structural elements; (7) Proximity to facilities where basic needs such as electricity, water, toilets, etc. By paying attention to these criteria, suitable public places are selected to the greatest extent possible (Doğan 2023 ). When examining the criteria for assembly areas, it becomes evident that spatial characteristics are the most influential factor in determining these areas. This result underscores the importance of basic infrastructure services in the area to enable disaster victims to quickly and easily reach these areas and to meet their needs adequately. Following this criterion, transportation and accessibility criteria are crucial for disaster victims and for the delivery of necessary assistance to the area. Additionally, the proximity of assembly areas to residential areas and healthcare facilities is also important (Gökgöz et al. 2020 ). This study aimed to evaluate the adequacy of available emergency assembly points and propose alternative assembly points for areas that are deemed inadequate and unable to meet the criteria, with the goal of enhancing the earthquake resilience of the city. The geographical coordinates of these assembly areas are shown in Table 1 . For this purpose, in case of a disaster or emergency that may occur in Erzincan, it has been investigated where suitable emergency assembly points can be located so that people living in the city center can gather quickly and accurately and be in safe areas until temporary shelters are prepared. Study area Erzincan is located in the northwest part of the Eastern Anatolia Region in the upper Fırat basin, between 39 o 02' 40,05'' north latitude and 38 o 16' 40 45'' east longitude (Fig. 1 ). Erzincan is bordered by Erzurum to the east, Sivas to the west, Tunceli to the south, Bingöl to the southeast, Elazığ and Malatya to the southwest, Gümüşhane and Bayburt to the north, and Giresun to the northwest. It has an area of 11,903 km 2 , and the altitude of the city center is 1,185 meters above sea level (Erzincan Governorship 2024 ). Erzincan and its surrounding areas are entirely within the boundaries of the first-degree earthquake zone. Therefore, both historical and instrumental periods have witnessed numerous earthquakes in the province of Erzincan. Throughout the instrumental period, seismic activity has persisted in Erzincan, with the most severe earthquakes with magnitude 5 and above occurring in 1939 (Ms: 7.9) and 1992 (Ms: 6.8) (Özşahin and Eroğlu 2019 ). Historical and instrumental earthquakes in Erzincan and its surrounding areas indicate the potential for similar disasters in the future (Şengezer 1993 ). In this regard, to prevent panic among the affected population and to mitigate potential chaos following an earthquake, it is necessary to evacuate people from hazardous areas. For this reason, in collaboration with municipalities and AFAD (Disaster and Emergency Management Presidency), safe zones where the public can gather by moving away from hazardous areas should be identified to prevent panic and ensure healthy information exchange during the period until temporary accommodation centers are ready after disasters and emergencies. In Erzincan province, AFAD has identified 38 emergency assembly points for this purpose. An examination was conducted to assess whether these areas meet the criteria that were effective in their selection, and solutions have been proposed for areas where deficiencies were identified. Materials and methods In the study, the suitability and adequacy of 38 emergency assembly points designated by AFAD in the city center of Erzincan for evacuation in the event of disasters and emergencies were analysed according to selected criteria. After conducting the analysis, deficiencies were identified, and solutions were proposed. The analysis and evaluation processes in the study were conducted using Geographic Information Systems (GIS). Geographic Information Systems is a computer-based system that allows for the storage, processing, analysis, and visualization of spatial data. In GIS, non-spatial qualitative and quantitative data pertaining to the study area are added to attribute tables within the system and stored in the database (Reddy 2018 ; Wieczorek and Delmerico 2009 ; Wise 2002 ). GIS also enables querying and analysis of the stored data (Asri 2019 ). GIS software, which is widely used by various professional groups today, is utilized either as professionally licensed or open-source free software. In this study, QGIS, a completely free, most popular and open-source GIS software (Rosas-Chavoya et al. 2022 ), was used to integrate, relate, and analyse datasets within a database. This software was born under the name Quantum GIS in 2002 and was developed by Gary Sherman. The main purpose of the software is to provide an interface to visualize geospatial data (Hugentobler 2008 ; Moyroud and Portet 2018 ). The involvement of developers and the process of adding code has transformed QGIS from being solely a spatial information viewer into a powerful Geographic Information System tool used by a wide range of users not only for visualization but also for organizing and performing complex spatial analyses (Moyroud and Portet 2018 ; Khan and Mohiuddin 2018 ). The program has facilitated the merging of data with different characteristics, ultimately resulting in the acquisition of new and comprehensive spatial data. The first step of the study involved scanning the literature to identify criteria (accessibility, spatial distribution, proximity to healthcare facilities, size, capacity adequacy, proximity to fault zones) that would be used in the analysis of the suitability and adequacy of available emergency assembly points. Following the determination of criteria, efforts were made to establish an up-to-date database. During the database creation process, data of different structures (vector, raster, and attribute information) and formats were converted into formats compatible with the QGIS program. The establishment of an updated database allowed for spatial analyses of the emergency assembly areas in question, leading to the production of thematic maps. The data used in the database creation phase, including available and created data, is as follows: Vector data containing the emergency assembly points designated by the Erzincan Provincial Directorate of Disaster and Emergency Management, Vector data showing neighborhood boundaries, building stock within neighborhood boundaries, and neighborhood population information, Vector data produced as a result of digitizing the parks and green areas located throughout the city on the QGIS program and the attribute information (area, park name, etc.) of these areas, Vector data containing urban road network. This data is divided into 4 classes (intercity roads, urban main roads, urban connector roads, and urban access roads) according to road widths, Vector data created by digitizing the healthcare facilities located throughout the province in the QGIS software, Vector data created by digitizing the raster map showing the fault lines passing through the city center in QGIS. After the database was established, an analysis and evaluation study was conducted. Initially, the 38 emergency assembly points located in the city center, whose locations were known, were qualitatively and quantitatively examined through GIS, and their current status was assessed. Spatial distribution, size, capacity and adequacy, accessibility, access to healthcare facilities, and proximity to fault zones were analysed for emergency assembly areas based on queries made in the database. Evaluations were conducted both on a neighborhood basis and for the service area of walking distances of 250m and 500m. Capacity and adequacy assessments were queried using building stock and population data in residential areas. As a result of the evaluations, alternative emergency assembly points were proposed using pre-selected criteria for areas identified as deficient or inadequate. Results and discussions In urban planning today, spatial data is utilized to quickly and accurately address potential problems that may arise. The processing of geographical data used in urban planning and development is carried out through GIS technology. Spatial analyses conducted with GIS aid in developing effective strategies for decision-making and determining available conditions. GIS plays a crucial role in disaster management, as it is essential for predicting the community's response during disasters and interpreting how social life will be affected after events like earthquakes. Analysing the adequacy of assembly areas from a geographical perspective included in disaster intervention plans for cities, as in the case of Erzincan, which has experienced significant earthquakes, is extremely important. For this purpose, various types of data (raster, vector, tabular attribute data) were obtained in the study, and subsequently, new data and thematic maps to be used in analysis and evaluation were created using these data. Within the scope of the methodology determined in accordance with the objectives of the study and using the acquired data, GIS-based analyses were conducted. During the geographical analysis of emergency assembly areas, criteria deemed suitable for the study area and previously established in other studies were utilized. As a result of the obtained data and reviewed studies, it has been determined that there are numerous criteria and standards for determining assembly areas. Standards and criteria vary according to countries or regions and are sometimes left to the discretion of local authorities. In order to make an objective evaluation, criteria were established based on the geographical and topographical conditions of the study area, and the results were obtained accordingly. Accessibility analysis for emergency assembly points It is of utmost importance for earthquake survivors to be able to reach emergency assembly areas quickly and easily in the event of an earthquake. Following an earthquake, search and rescue, as well as first aid activities, need to be carried out rapidly. The condition of roads is crucial for people to communicate with each other and reach assembly areas easily amidst the panic and anxiety that ensues after an earthquake. The availability of all kinds of essential supplies for the affected people from earthquake depends on the active operation of transportation systems. Therefore, accessibility is particularly crucial in the planning of site selection for these areas. Within the scope of the study, the connectivity of the assembly areas to urban roads was determined through proximity analysis. As a result of the analysis and evaluation, it was found that the majority of emergency assembly points are distant from main urban roads. It was determined that five assembly areas in the Cumhuriyet, Ergenekon, Mengüceli, Yavuz Selim, and Yunus Emre neighborhoods are connected to main urban roads. Additionally, the 5 emergency assembly areas located in Atatürk, Gülabibey, İnönü, Karaağaç and Yavuz Selim neighborhoods have access to both main urban roads and connecting roads. The remaining 28 emergency assembly points can be accessed via urban access roads. In the study, proximity analysis was conducted for the proposed 67 emergency assembly points as well. As a result of the evaluation, it was determined that the emergency assembly point in the Mustafa Kemal Paşa, Bahçelievler, Gölcük and Halitpaşa neighborhoods, which previously did not have emergency assembly points, can be accessed via main roads. It was determined that the remaining 63 emergency assembly points can be accessed via urban access roads. Attention should be paid to the possibility of partial blockage of evacuation routes due to the collapse of buildings along the roadsides after an earthquake. The designated emergency assembly point should ideally be connected to at least two evacuation routes with width of no less than 7 meters (Chu and Su 2012 ). Additionally, according to a study conducted, the probabilities of road closure are as follows: 98% for roads with widths ranging from 2 to 6 meters, 11% for roads with widths ranging from 7 to 15 meters, 0.3% for roads wider than 16 meters (JICA and IMM 2002). Considering the urban access road mostly with a width of 7 meters found within the neighborhoods affiliated with Erzincan city center, emergency assembly points have been selected in open green areas. Taking all these factors into account, it is believed that the connectivity of emergency assembly points to urban access roads, including those in possible earthquake scenarios, will not create restrictive or challenging situations in terms of accessibility for disaster survivors. Proximity analysis to healthcare facilities of emergency assembly areas In order for people injured due to building collapses after a potential earthquake to receive medical intervention as quickly as possible, emergency assembly points should be located as close as possible to healthcare facilities (Soltani et al. 2015 ). Healthcare facilities should be located within 1–3 km from designated emergency assembly areas (Anhorn and Khazai 2015 ). Therefore, proximity analysis of emergency assembly points and healthcare facilities (family health centers, hospitals, etc.) was conducted for both the lower limit of 1 km and the upper limit of 3 km service radius. As a result of the analysis, for the 1 km service radius, out of the total of 105 designated emergency assembly points, 25 are located outside the service area. When the upper limit of the service radius is taken as 3 km, all of the designated 105 emergency assembly points are located within the service area (Fig. 2 ). Size Distribution Analysis In order for emergency assembly points to be designated by relevant institutions and organizations and therefore be able to provide services when needed, they should have a size capable of serving a specific population. Therefore, the sizes of available assembly points are directly related to the population they will accommodate during and after disasters and emergencies. There are many studies defining different threshold values in terms of size. According to the most widely accepted standards, the minimum size of an emergency assembly point is 500 m², with no limitation on the maximum size. The sizes of the 38 emergency assembly points previously determined by AFAD within the study area have been analysed. The capacity of emergency assembly points to be used in disasters and emergencies varies depending on the neighborhood or region they are located in. In the current situation within the city, the total area of emergency assembly points is approximately 25 hectares (254,185 m²). The smallest area among the emergency assembly points is a park area of 1,560 m² located in the Arslanlı neighborhood. The largest area among the emergency assembly points is an open area of 26,178 m² located in the Karaağaç neighborhood (Fig. 3 ). In addition to the available 38 emergency assembly points within the city, 67 more emergency assembly points have been proposed. The total area of these proposed 67 emergency assembly points is approximately 28 hectares (281,261 m²). Thus, with the addition of the proposed emergency assembly points, the total area of emergency assembly points has increased by 2-fold, calculated to be approximately 54 hectares (535,446 m²). The smallest area among the emergency assembly points is a park area of 547 m² located in the Osmangazi neighborhood. The emergency assembly point with the largest area is the Kaan Murathan Demir park located in the Yalnızbağ neighborhood, with an area of 33,429 m² (Fig. 3 ). Capacity Adequacy Analysis The most important factor in determining the number and size of emergency assembly points is the population living within neighborhood boundaries. Planning studies at the neighborhood or district level after an earthquake calculate the amount of assembly area per population. These calculations are carried out by both local authorities and public institutions such as AFAD. Strategies and plans should be prepared to safely direct the population to assembly areas in areas where urbanization is heavily felt. In this study, neighborhood populations were used as data for the adequacy analysis of assembly areas at the neighborhood scale. The distribution of population and building to neighborhoods was examined, and each neighborhood was evaluated separately. The required emergency assembly area per capita value was determined as 1.5 m² and calculated. There are emergency assembly points in 16 neighborhoods in Erzincan city center. In the adequacy analysis of available emergency assembly points conducted on a neighborhood basis, the assembly area ratio of 14 neighborhoods has been evaluated to be sufficient for the current population. However, in the remaining 2 neighborhoods, the assembly areas are insufficient according to the established standards. Additionally, there are no assembly areas in 53 neighborhoods. As a result of the studies conducted in the neighborhoods affiliated with Erzincan province center, a total of 67 new emergency assembly points have been proposed within 26 neighborhoods. Thus, there are emergency assembly points in a total of 42 neighborhoods. In the neighborhood-scale adequacy analysis of the proposed emergency assembly points, it has been determined that the assembly area ratio of 26 neighborhoods is sufficient for the current population (1.5 m² per person). With the recent additions, there are still no emergency assembly points in 31 neighborhoods. Among these neighborhoods, 23 are distant from the city center, have a large agricultural land area, and mostly consist of single-storey detached houses or two-storey houses with gardens. Additionally, the remaining neighborhoods of Bayrak, Sancak, and Şehit Cengiz Topel, which are also distant from the city center, have a significant agricultural land area, and predominantly consist of single-storey detached houses, located around the airport, thus no emergency assembly point proposals could have been made. The neighborhoods of Hocabey, Taksim, and Kızılay, which also lack emergency assembly points, are located in the city center. However, as most of these neighborhoods are undergoing urban renewal processes, the construction process is still ongoing, hence no emergency assembly point proposals could have been made. Moreover, the neighborhoods of Yenidoğan and Işıkpınar, which do not have emergency assembly points and are close to the city center, also could not have emergency assembly area proposals due to their predominantly consisting of agricultural areas and generally single-family homes with gardens. It is evident that available neighborhood boundaries will not be binding for earthquake victims in the event of a possible earthquake. Therefore, the best alternative to neighborhood-scale analysis is an analysis based on the service area of assembly points. For the analysis, service areas (250m and 500m) were created by taking the emergency assembly area as the center (Fig. 4 and Fig. 5 ). Afterwards, it was determined how much of the building stock within the neighborhood boundaries is within the service area (Table 2 ). The numbers (ƒ) of neighborhoods where buildings fall within the 250m and 500m service area of available and proposed emergency assembly areas, as shown in Table 3 , were created using Table 2 . Upon examination of Table 3 , it is observed that for available assembly areas, 0–24% of buildings in 57 neighborhoods, 25–49% of buildings in 7 neighborhoods, 50–74%, of buildings in 2 neighborhoods, and 75–100% of buildings in 7 neighborhoods remained within the 250m service area. For proposed assembly areas, 0–24% of buildings in 32 neighborhoods, 25–49% of buildings in 12 neighborhoods, 50–74%, of buildings in 13 neighborhoods, and 75–100% of buildings in 16 neighborhoods fell within the 250m service area. According to the 500m service area, it was observed that available assembly areas covered 0–24% of buildings in 47 neighborhoods, 25–49% of buildings in 6 neighborhoods, 50–74% of buildings in 3 neighborhoods, and 75–100% of buildings in 17 neighborhoods. For proposed assembly areas, 0–24% of buildings in 22 neighborhoods, 25–49% of buildings in 5 neighborhoods, 50–74% of buildings in 6 neighborhoods, and 75–100% of buildings in 40 neighborhoods remained within the 500m service area. As observed, especially the neighborhoods close to the city center and with large populations are largely within the service area of the emergency assembly points according to the conducted study. The neighborhoods outside the service area are generally located far from the city center or have a large agricultural area, characterized by predominantly single-story detached houses with gardens. In addition, the adequacy of infrastructure in emergency assembly areas was also examined (Table 1 ). As seen in Table 1 , out of the 38 emergency assembly points identified by AFAD, 34 have electricity and water infrastructure, while 4 do not. Only 9 of these areas have toilets. In the scope of the study, all 67 proposed emergency assembly points have electricity and water infrastructure, with 16 of them also having toilets. Despite the majority of parks and green areas throughout the city having electricity and water infrastructure, many of them lack toilets. Fault avoidance distance analysis The area affected by the surface deformation zone caused by active faults, which constitute the seismic source of earthquakes, is considered unsuitable for settlement, and construction is not allowed in these areas (Yıldız, 2023 ). In order to reduce the margin of error in identifying and mapping faults and to mitigate the impact of the expected surface faulting hazard on engineering structures (such as roads, bridges, viaducts, intersections, tunnels, etc.) by providing a safe distance, an avoidance zone is created on both sides of the surface faulting hazard zone (Nurlu 2017 ). The Active Fault Map of Türkiye was published by the General Directorate of Mineral Research and Exploration (MTA) in 2012 at a scale of 1/250,000. In these maps, the existing faults in the Erzincan city are classified as Earthquake Surface Rupture (active faults causing surface faulting between 1900 and the present day) and Holocene Fault (fault causing surface faulting during the Holocene period). The city of Erzincan is located in the Erzincan NJ 37 − 3 quadrangle on the respective active fault maps (MTA 2012). The faults located in the city of Erzincan are classified as normal faults in the Active Faults Map of Türkiye prepared by MTA. There is no standard regarding the required avoidance distance for emergency assembly areas. However, in studies conducted by Gürboğa et al. ( 2016 ) and Nurlu ( 2017 ), an avoidance distance of 55 meters was considered for normal faults. In this study, the fault avoidance zone was also analysed based on a distance of 55 meters. The 38 available emergency assembly areas designated as open and green spaces by AFAD do not have a direct relationship with fault lines. These areas are outside the fault avoidance distance. Among the 67 proposed emergency assembly points designated as open and green spaces, six are located close to fault avoidance zones. One reason for selecting these locations is the absence of any assembly areas in these neighborhoods previously and the lack of alternative spaces nearby. Additionally, the surroundings of these designated areas are mostly open, with around houses generally being single or two-story structures, often newly built. Therefore, in the event of an earthquake caused by fault lines, rather than having no assembly areas in these locations, the decision was made to at least identify alternative assembly areas (Fig. 6 ). Conclusion This study evaluates the suitability and adequacy of emergency assembly points in Erzincan, located in a high-risk geography due to its seismicity on the North Anatolian Fault. Geographic Information Systems were utilized for the assessment. The QGIS software, a multi-platform-supported, free, and open-source GIS application, was used for GIS analysis and mapping. A total of 38 emergency assembly points have been identified for Erzincan province by AFAD. The majority of these areas consist of municipal park areas. Analysis and assessment have revealed that these assembly points are not homogenously distributed throughout the city and are insufficient. To minimize the problem, 67 new emergency assembly points have been proposed in the city center, increasing the number of neighborhoods with emergency assembly points to 42. As a result, the area of emergency assembly points, which was 258,703 m 2 , has increased to approximately 54 hectares (535,446 m 2 ). With proposed emergency points, it has been observed that the number of neighborhoods within the 250 m and 500 m service areas has also increased as 43.75% for 250m and 42.5% for 500m in the 75–100% range. Additionally, the assessment has shown that as one moves away from the city center, the population decreases, agricultural areas within neighborhood boundaries are abundant, and houses are mostly single-story with gardens, making it challenging to determine emergency assembly points for these areas. Ongoing urban renewal projects in some neighborhoods near the city center where emergency assembly points have not been identified have further complicated the process of determining these areas. The completion of urban renewal in densely populated neighborhoods near the city center without emergency assembly points will facilitate the identification of these areas. When the accessibility of available and proposed emergency assembly points is analysed, it is concluded that there will be no accessibility issues due to wide urban roads and the absence of tall buildings that could pose a risk of closure in the event of an earthquake. Moreover, the proximity of available and proposed emergency assembly points to healthcare facilities has been analysed, revealing that most of these points are located within the designated service area. The proximity analysis of emergency assembly points to fault avoidance zones revealed that upon evaluating all available and proposed areas, only a small fraction of the proposed emergency assembly points are close to these zones. These points were selected out of necessity due to the absence of alternative areas in the neighborhoods where they are located. The fact that the surroundings of these designated points are open suggests that potential adverse effects may be somewhat reduced. As a result of the assessment of the adequacy of the infrastructure of emergency assembly points, it was determined that the number of toilets was insufficient. This deficiency could lead to hygiene problems in the event of a future earthquake and may also cause the emergence of epidemic diseases after a certain period. Therefore, toilets should be urgently installed in these areas owned by local governments. As a result of assessment in the field have shown that there are not problems with access for disabled individuals to emergency assembly points. However, it has been observed that many emergency assembly points either lack warning signs and markers or have insufficient and poorly maintained ones. Literature research has revealed the absence of legislation containing criteria for the identification of emergency assembly points throughout the country. The majority of Türkiye' s population resides in the first-degree earthquake zone. Therefore, it is imperative to promptly establish and enforce legislation that includes criteria for determining emergency assembly points. Adhering to the necessary standards and criteria is essential to minimize the effects of disasters and ensure sustainability in disaster management. As long as these practices are supervised, it will be possible to minimize the effects of disasters on disaster victims. Declarations Acknowledgment We are grateful to the Erzincan Municipality for providing the data-sets for our study. We would also like to thank the anonymous reviewers for their constructive comments and suggestions that helped to improve the paper. Author contributions All authors have worked in research, conceptualization, data analysis, methodologies, writing, and editing. Conflict of interests The authors have no conflicts of interest to declare. 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Geosciences 8(5):165. https://doi.org/10.3390/geosciences8050165 Zengin Çelik H, Sılaydın Aydın S, Partigöç NS, Hilmi EE (2018) Deprem riskleri bağlamında toplanma alanlarının güvenlik kriterleri temelinde değerlendirilmesi: Bayraklı (İzmir) Örneği. 2nd International Symposium on Natural Hazards and Disaster Management 04–06 May 2018, Sakarya, 612–624 Tables Tables 1-3 is available in the Supplementary Files section. Supplementary Files table.docx Cite Share Download PDF Status: Published Journal Publication published 13 Jun, 2024 Read the published version in Natural Hazards → Version 1 posted Editorial decision: Minor revisions 22 Apr, 2024 Reviewers agreed at journal 09 Mar, 2024 Reviewers invited by journal 09 Mar, 2024 Editor assigned by journal 08 Mar, 2024 First submitted to journal 07 Mar, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4032057","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":277725865,"identity":"18aa48a3-4156-4d65-a6e6-915a7c471f11","order_by":0,"name":"Alper 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3","display":"","copyAsset":false,"role":"figure","size":1792386,"visible":true,"origin":"","legend":"\u003cp\u003eSize of assembly areas (m\u003csup\u003e2\u003c/sup\u003e), and neighborhoods with and without emergency assembly areas\u003c/p\u003e","description":"","filename":"fig3.jpg","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/e05f6d3bcb4f2c0e03a640e3.jpg"},{"id":52543149,"identity":"cc39fb68-28b5-4039-bb6d-d82382d9ebc0","added_by":"auto","created_at":"2024-03-12 17:48:41","extension":"jpg","order_by":4,"title":"Figure 4","display":"","copyAsset":false,"role":"figure","size":5512671,"visible":true,"origin":"","legend":"\u003cp\u003eCapacity analysis for 250 m service area\u003c/p\u003e","description":"","filename":"fig4.jpg","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/c323d6803203630baa120c7a.jpg"},{"id":52543148,"identity":"cbc2b889-58f2-4a3f-8ec3-f7e7fd137927","added_by":"auto","created_at":"2024-03-12 17:48:41","extension":"jpg","order_by":5,"title":"Figure 5","display":"","copyAsset":false,"role":"figure","size":5290202,"visible":true,"origin":"","legend":"\u003cp\u003eCapacity analysis for 500 m service area\u003c/p\u003e","description":"","filename":"fig5.jpg","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/6ab979b68d495618e94f722b.jpg"},{"id":52543145,"identity":"c0e5694e-4676-4926-8f9a-02f64baa5675","added_by":"auto","created_at":"2024-03-12 17:48:40","extension":"jpg","order_by":6,"title":"Figure 6","display":"","copyAsset":false,"role":"figure","size":2896801,"visible":true,"origin":"","legend":"\u003cp\u003eRelationship between fault avoidance zone and emergency assembly points\u003c/p\u003e","description":"","filename":"fig6.jpg","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/6cd6a0c95635a92649e65761.jpg"},{"id":58823179,"identity":"8a6ccb68-b2df-4300-846e-f4f56e421bed","added_by":"auto","created_at":"2024-06-21 16:54:48","extension":"pdf","order_by":0,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":22538400,"visible":true,"origin":"","legend":"","description":"","filename":"manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/163c2c4e-b7f4-4178-8c21-d1036443dafe.pdf"},{"id":52543144,"identity":"543a49cd-b59e-48ef-bfed-46e15c653cce","added_by":"auto","created_at":"2024-03-12 17:48:40","extension":"docx","order_by":1,"title":"","display":"","copyAsset":false,"role":"supplement","size":412144,"visible":true,"origin":"","legend":"","description":"","filename":"table.docx","url":"https://assets-eu.researchsquare.com/files/rs-4032057/v1/ba926bcd211041acfb42bb70.docx"}],"financialInterests":"","formattedTitle":"Analysis of Emergency Assembly Points for Post-Earthquake Disaster Management: A Case Study of Erzincan, Türkiye","fulltext":[{"header":"Introduction","content":"\u003cp\u003eDisasters are events, whether natural or human-made (Bakhshian and Martinez-Pastor \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e; Noji \u003cspan class=\"CitationRef\"\u003e2005\u003c/span\u003e; Makwana \u003cspan class=\"CitationRef\"\u003e2019\u003c/span\u003e), that can affect entire communities or specific segments, resulting in physical, economic, and social losses, disrupting or halting normal life and human activities, damage to the environment and where the affected community\u0026apos;s coping capacity is insufficient (Rambha et al. \u003cspan class=\"CitationRef\"\u003e2021\u003c/span\u003e; AFAD 2023; Yu et al. \u003cspan class=\"CitationRef\"\u003e2018\u003c/span\u003e; Abid et al. \u003cspan class=\"CitationRef\"\u003e2021\u003c/span\u003e). Various natural events such as earthquakes, tsunamis, hurricanes, floods, landslides, volcanic eruptions, and droughts constitute different types of disasters. T\u0026uuml;rkiye is frequently exposed to disasters due to meteorological, geological and topographic conditions (Gerdan and Şen \u003cspan class=\"CitationRef\"\u003e2020\u003c/span\u003e). Earthquakes, which are among the most catastrophic natural disaster (Shrestha et al. \u003cspan class=\"CitationRef\"\u003e2018\u003c/span\u003e; Xenidis and Kaltsidi \u003cspan class=\"CitationRef\"\u003e2022\u003c/span\u003e), are defined as complex elastic wave movements caused by the sudden release of energy accumulated in fractures in the Earth\u0026apos;s crust, known as faults. T\u0026uuml;rkiye, located in one of the significant tectonic regions within the Alpine-Himalayan belt, is influenced by the displacement movements of the Eurasian, Arabian, and African plates due to its geographical location (Chang et al. \u003cspan class=\"CitationRef\"\u003e2024\u003c/span\u003e). T\u0026uuml;rkiye encompasses important and active tectonic structures such as the North Anatolian Fault Zone, East Anatolian Fault Zone, Aegean extensional region, and Bitlis-Zagros thrust belt (Bayrak \u003cspan class=\"CitationRef\"\u003e2022\u003c/span\u003e). Throughout history, large-scale earthquakes have occurred along these fault lines in T\u0026uuml;rkiye, resulting in significant loss of life and property in the aftermath of severe earthquakes (Steinberg and Cruz \u003cspan class=\"CitationRef\"\u003e2004\u003c/span\u003e; Karanci and R\u0026uuml;stemli 1995; Erdik et al. \u003cspan class=\"CitationRef\"\u003e2004\u003c/span\u003e; \u0026Ccedil;ınar et al. \u003cspan class=\"CitationRef\"\u003e2018\u003c/span\u003e). One of these fault zones, the North Anatolian Fault Zone (NAFZ), which is a right-lateral strike-slip transform fault system separating the Eurasian and Anatolian plates, is one of T\u0026uuml;rkiye\u0026apos;s active tectonic fault zones due to its exceptional morphological features and generation of destructive earthquakes. The NAFZ spans approximately 1400 km along the east-west part of Anatolia from Karlıova to the northern Aegean Sea (Şeng\u0026ouml;r and Kidd \u003cspan class=\"CitationRef\"\u003e1979\u003c/span\u003e). NAFZ was first revealed with the Erzincan earthquake on December 27, 1939, and research on this fault zone has continued since then until today (Kıranşan \u003cspan class=\"CitationRef\"\u003e2022\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eThe Erzincan Plain, situated on the NAFZ, is a tectonic plain formed due to the movement of this fault. The fact that the city center is within this plain and close to this fault zone increases the risk of disasters. Therefore, earthquakes are the foremost concern in terms of natural disasters throughout the plain. According to the literature, the earthquake that occurred in Erzincan on December 27, 1939 (Ms\u0026thinsp;\u0026gt;\u0026thinsp;7.9) is considered the largest earthquake to have occurred in Anatolia from the 19th century to the present day (Ha\u0026ccedil;in \u003cspan class=\"CitationRef\"\u003e2014\u003c/span\u003e; Ko\u0026ccedil;bulut \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e). This earthquake caused surface ruptures along a approximately 360-kilometer-long line from Erzincan to Ezinepazar in Amasya (Ko\u0026ccedil;bulut \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e; D\u0026uuml;ndar2 019; G\u0026uuml;rsoy et al. \u003cspan class=\"CitationRef\"\u003e2013\u003c/span\u003e). The earthquake resulted in the loss of 32,968 lives and the collapse of 116,720 buildings (KOERI 2017; Ha\u0026ccedil;in \u003cspan class=\"CitationRef\"\u003e2014\u003c/span\u003e). Additionally, another earthquake with a magnitude of Ms 6.8 occurred in Erzincan on March 13, 1992 (Fuenzalida et al. \u003cspan class=\"CitationRef\"\u003e1997\u003c/span\u003e; Grosser et al. \u003cspan class=\"CitationRef\"\u003e1998\u003c/span\u003e; Aktar et al. \u003cspan class=\"CitationRef\"\u003e2004\u003c/span\u003e). As a result of this earthquake, 653 people lost their lives, and 8,057 buildings were damaged or destroyed (Kurtuluş \u003cspan class=\"CitationRef\"\u003e1993\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eThe impact and magnitude of disasters are measured by the human losses, injuries, structural damages, and socio-economic losses they cause. It is not possible to prevent natural event. However, by being prepared through natural hazard perception, awareness and education, these events can be prevented from turning into disasters or their damages can be minimized (Chaudhary and Piracha \u003cspan class=\"CitationRef\"\u003e2021\u003c/span\u003e; \u0026Ouml;zt\u0026uuml;rk and Şahin\u0026ouml;z \u003cspan class=\"CitationRef\"\u003e2018\u003c/span\u003e). One of the crucial tasks within the scope of pre-disaster precautions is the spatial identification of assembly areas during disasters and emergencies, and announcing these areas to the public (Şirin and Ocak \u003cspan class=\"CitationRef\"\u003e2020\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eOne of the frequently observed behaviours during disasters is people\u0026apos;s attempts to exit enclosed spaces and buildings due to the shock they experience. After any earthquake, it is observed that people instinctively move away from areas with dense building stocks, driven by the need for safety, and begin to gather in the nearest open and green spaces. (Nogami \u003cspan class=\"CitationRef\"\u003e2022\u003c/span\u003e; \u0026Ouml;zyavuz et al. \u003cspan class=\"CitationRef\"\u003e2016\u003c/span\u003e; Zengin \u0026Ccedil;elik et al. \u003cspan class=\"CitationRef\"\u003e2018\u003c/span\u003e; Partig\u0026ouml;\u0026ccedil; \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e; Yıldız \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eThese areas serve as assembly or shelter zones during and after earthquakes, thus contributing to the establishment of safe urban spaces (Anhorn and Khazai \u003cspan class=\"CitationRef\"\u003e2015\u003c/span\u003e). Examples of such open green spaces include parks, playgrounds, recreational areas, sports facilities, squares, marketplaces, educational, and official facilities. Assembly areas are spaces where disaster victims can safely reach and gather during disasters and emergencies without posing additional risks. Therefore, it is essential to select areas that do not pose disaster risks and have the infrastructure to meet basic needs (Maral et al. \u003cspan class=\"CitationRef\"\u003e2015\u003c/span\u003e). However, the fundamental question here is whether the open green spaces used as emergency assembly points are adequately equipped to meet the needs after a disaster or emergency.\u003c/p\u003e\n\u003cp\u003eIn Turkey, there is no legislation regarding the criteria to be used in determining emergency assembly areas (Uyar \u003cspan class=\"CitationRef\"\u003e2021\u003c/span\u003e). However, when examining the studies conducted, it is generally observed that five important criteria are taken into account for the identification and planning of these areas (JICA and IMM 2002).\u003c/p\u003e\n\u003cp\u003eThese criteria are as follows: (1) Accessibility: The maximum walking distance for individuals to reach assembly areas from building blocks should be 500 meters/15 minutes or less; (2) Connectivity with road axes: Assembly areas should be connected to main arteries (taking into account the risk of closure of roads), and continuity with other assembly areas should be ensured; (3) Usability and Multifunctionality: Existing active green spaces such as playgrounds, sports fields, pocket parks, neighborhood parks, small parks, and district parks; passive green spaces, turf fields; building gardens, schoolyards, mosque and hospital gardens; vacant lots, and open parking lots can be proposed as assembly areas. The area should not be smaller than 500 square meters; (4) Ownership: Public lands should be preferred. Vacant lots and open parking lots owned by private individuals can be preferred, taking into account accessibility, usability, road axes, continuity with other assembly areas, and spatial size. Structures such as public schools, mosques, etc., present in all neighborhoods, can also be used as assembly areas if they are seismically adequate; (5) Spatial Sizes: According to this criterion, emergency assembly areas should be determined with a minimum gross area of 1.5 m\u003csup\u003e2\u003c/sup\u003e per person.\u003c/p\u003e\n\u003cp\u003eIn T\u0026uuml;rkiye, when determining disaster and emergency assembly areas by AFAD (Disaster and Emergency Management Presidency), attention is paid to selection criteria such as: (1) Population density; (2) Accessibility and ease of evacuation; (3) Accessibility for people with disabilities and the elderly as much as possible; (4) Being away from secondary hazards such as fire, flooding, tsunami, infrastructure, and others, and being located in areas not affected by liquefaction and away from fault lines; (5) Being as flat as possible without obstacles; (6) Being close to residential areas but not affected by structural and non-structural elements; (7) Proximity to facilities where basic needs such as electricity, water, toilets, etc. By paying attention to these criteria, suitable public places are selected to the greatest extent possible (Doğan \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eWhen examining the criteria for assembly areas, it becomes evident that spatial characteristics are the most influential factor in determining these areas. This result underscores the importance of basic infrastructure services in the area to enable disaster victims to quickly and easily reach these areas and to meet their needs adequately. Following this criterion, transportation and accessibility criteria are crucial for disaster victims and for the delivery of necessary assistance to the area. Additionally, the proximity of assembly areas to residential areas and healthcare facilities is also important (G\u0026ouml;kg\u0026ouml;z et al. \u003cspan class=\"CitationRef\"\u003e2020\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eThis study aimed to evaluate the adequacy of available emergency assembly points and propose alternative assembly points for areas that are deemed inadequate and unable to meet the criteria, with the goal of enhancing the earthquake resilience of the city. The geographical coordinates of these assembly areas are shown in Table \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e. For this purpose, in case of a disaster or emergency that may occur in Erzincan, it has been investigated where suitable emergency assembly points can be located so that people living in the city center can gather quickly and accurately and be in safe areas until temporary shelters are prepared.\u003c/p\u003e\n\u003ch3\u003eStudy area\u003c/h3\u003e\n\u003cp\u003eErzincan is located in the northwest part of the Eastern Anatolia Region in the upper Fırat basin, between 39\u003csup\u003eo\u003c/sup\u003e 02\u0026apos; 40,05\u0026apos;\u0026apos; north latitude and 38\u003csup\u003eo\u003c/sup\u003e 16\u0026apos; 40 45\u0026apos;\u0026apos; east longitude (Fig. \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e). Erzincan is bordered by Erzurum to the east, Sivas to the west, Tunceli to the south, Bing\u0026ouml;l to the southeast, Elazığ and Malatya to the southwest, G\u0026uuml;m\u0026uuml;şhane and Bayburt to the north, and Giresun to the northwest. It has an area of 11,903 km\u003csup\u003e2\u003c/sup\u003e, and the altitude of the city center is 1,185 meters above sea level (Erzincan Governorship \u003cspan class=\"CitationRef\"\u003e2024\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eErzincan and its surrounding areas are entirely within the boundaries of the first-degree earthquake zone. Therefore, both historical and instrumental periods have witnessed numerous earthquakes in the province of Erzincan. Throughout the instrumental period, seismic activity has persisted in Erzincan, with the most severe earthquakes with magnitude 5 and above occurring in 1939 (Ms: 7.9) and 1992 (Ms: 6.8) (\u0026Ouml;zşahin and Eroğlu \u003cspan class=\"CitationRef\"\u003e2019\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eHistorical and instrumental earthquakes in Erzincan and its surrounding areas indicate the potential for similar disasters in the future (Şengezer \u003cspan class=\"CitationRef\"\u003e1993\u003c/span\u003e). In this regard, to prevent panic among the affected population and to mitigate potential chaos following an earthquake, it is necessary to evacuate people from hazardous areas. For this reason, in collaboration with municipalities and AFAD (Disaster and Emergency Management Presidency), safe zones where the public can gather by moving away from hazardous areas should be identified to prevent panic and ensure healthy information exchange during the period until temporary accommodation centers are ready after disasters and emergencies.\u003c/p\u003e\n\u003cp\u003eIn Erzincan province, AFAD has identified 38 emergency assembly points for this purpose. An examination was conducted to assess whether these areas meet the criteria that were effective in their selection, and solutions have been proposed for areas where deficiencies were identified.\u003c/p\u003e"},{"header":"Materials and methods","content":"\u003cp\u003eIn the study, the suitability and adequacy of 38 emergency assembly points designated by AFAD in the city center of Erzincan for evacuation in the event of disasters and emergencies were analysed according to selected criteria. After conducting the analysis, deficiencies were identified, and solutions were proposed. The analysis and evaluation processes in the study were conducted using Geographic Information Systems (GIS).\u003c/p\u003e \u003cp\u003eGeographic Information Systems is a computer-based system that allows for the storage, processing, analysis, and visualization of spatial data. In GIS, non-spatial qualitative and quantitative data pertaining to the study area are added to attribute tables within the system and stored in the database (Reddy \u003cspan citationid=\"CR47\" class=\"CitationRef\"\u003e2018\u003c/span\u003e; Wieczorek and Delmerico \u003cspan citationid=\"CR53\" class=\"CitationRef\"\u003e2009\u003c/span\u003e; Wise \u003cspan citationid=\"CR54\" class=\"CitationRef\"\u003e2002\u003c/span\u003e). GIS also enables querying and analysis of the stored data (Asri \u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e2019\u003c/span\u003e).\u003c/p\u003e \u003cp\u003eGIS software, which is widely used by various professional groups today, is utilized either as professionally licensed or open-source free software. In this study, QGIS, a completely free, most popular and open-source GIS software (Rosas-Chavoya et al. \u003cspan citationid=\"CR44\" class=\"CitationRef\"\u003e2022\u003c/span\u003e), was used to integrate, relate, and analyse datasets within a database. This software was born under the name Quantum GIS in 2002 and was developed by Gary Sherman. The main purpose of the software is to provide an interface to visualize geospatial data (Hugentobler \u003cspan citationid=\"CR26\" class=\"CitationRef\"\u003e2008\u003c/span\u003e; Moyroud and Portet \u003cspan citationid=\"CR35\" class=\"CitationRef\"\u003e2018\u003c/span\u003e).\u003c/p\u003e \u003cp\u003eThe involvement of developers and the process of adding code has transformed QGIS from being solely a spatial information viewer into a powerful Geographic Information System tool used by a wide range of users not only for visualization but also for organizing and performing complex spatial analyses (Moyroud and Portet \u003cspan citationid=\"CR35\" class=\"CitationRef\"\u003e2018\u003c/span\u003e; Khan and Mohiuddin \u003cspan citationid=\"CR29\" class=\"CitationRef\"\u003e2018\u003c/span\u003e). The program has facilitated the merging of data with different characteristics, ultimately resulting in the acquisition of new and comprehensive spatial data.\u003c/p\u003e \u003cp\u003eThe first step of the study involved scanning the literature to identify criteria (accessibility, spatial distribution, proximity to healthcare facilities, size, capacity adequacy, proximity to fault zones) that would be used in the analysis of the suitability and adequacy of available emergency assembly points.\u003c/p\u003e \u003cp\u003eFollowing the determination of criteria, efforts were made to establish an up-to-date database. During the database creation process, data of different structures (vector, raster, and attribute information) and formats were converted into formats compatible with the QGIS program. The establishment of an updated database allowed for spatial analyses of the emergency assembly areas in question, leading to the production of thematic maps. The data used in the database creation phase, including available and created data, is as follows:\u003c/p\u003e \u003cp\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eVector data containing the emergency assembly points designated by the Erzincan Provincial Directorate of Disaster and Emergency Management,\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eVector data showing neighborhood boundaries, building stock within neighborhood boundaries, and neighborhood population information,\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eVector data produced as a result of digitizing the parks and green areas located throughout the city on the QGIS program and the attribute information (area, park name, etc.) of these areas,\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eVector data containing urban road network. This data is divided into 4 classes (intercity roads, urban main roads, urban connector roads, and urban access roads) according to road widths,\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eVector data created by digitizing the healthcare facilities located throughout the province in the QGIS software,\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eVector data created by digitizing the raster map showing the fault lines passing through the city center in QGIS.\u003c/p\u003e \u003c/li\u003e \u003c/ul\u003e \u003cdiv class=\"BlockQuote\"\u003e \u003cp\u003eAfter the database was established, an analysis and evaluation study was conducted. Initially, the 38 emergency assembly points located in the city center, whose locations were known, were qualitatively and quantitatively examined through GIS, and their current status was assessed. Spatial distribution, size, capacity and adequacy, accessibility, access to healthcare facilities, and proximity to fault zones were analysed for emergency assembly areas based on queries made in the database. Evaluations were conducted both on a neighborhood basis and for the service area of walking distances of 250m and 500m. Capacity and adequacy assessments were queried using building stock and population data in residential areas. As a result of the evaluations, alternative emergency assembly points were proposed using pre-selected criteria for areas identified as deficient or inadequate.\u003c/p\u003e \u003c/div\u003e \u003c/p\u003e"},{"header":"Results and discussions","content":"\u003cp\u003eIn urban planning today, spatial data is utilized to quickly and accurately address potential problems that may arise. The processing of geographical data used in urban planning and development is carried out through GIS technology. Spatial analyses conducted with GIS aid in developing effective strategies for decision-making and determining available conditions.\u003c/p\u003e\n\u003cp\u003eGIS plays a crucial role in disaster management, as it is essential for predicting the community\u0026apos;s response during disasters and interpreting how social life will be affected after events like earthquakes. Analysing the adequacy of assembly areas from a geographical perspective included in disaster intervention plans for cities, as in the case of Erzincan, which has experienced significant earthquakes, is extremely important.\u003c/p\u003e\n\u003cp\u003eFor this purpose, various types of data (raster, vector, tabular attribute data) were obtained in the study, and subsequently, new data and thematic maps to be used in analysis and evaluation were created using these data. Within the scope of the methodology determined in accordance with the objectives of the study and using the acquired data, GIS-based analyses were conducted. During the geographical analysis of emergency assembly areas, criteria deemed suitable for the study area and previously established in other studies were utilized.\u003c/p\u003e\n\u003cp\u003eAs a result of the obtained data and reviewed studies, it has been determined that there are numerous criteria and standards for determining assembly areas. Standards and criteria vary according to countries or regions and are sometimes left to the discretion of local authorities. In order to make an objective evaluation, criteria were established based on the geographical and topographical conditions of the study area, and the results were obtained accordingly.\u003c/p\u003e\n\u003cdiv id=\"Sec5\" class=\"Section2\"\u003e\n \u003ch2\u003eAccessibility analysis for emergency assembly points\u003c/h2\u003e\n \u003cp\u003eIt is of utmost importance for earthquake survivors to be able to reach emergency assembly areas quickly and easily in the event of an earthquake. Following an earthquake, search and rescue, as well as first aid activities, need to be carried out rapidly. The condition of roads is crucial for people to communicate with each other and reach assembly areas easily amidst the panic and anxiety that ensues after an earthquake. The availability of all kinds of essential supplies for the affected people from earthquake depends on the active operation of transportation systems. Therefore, accessibility is particularly crucial in the planning of site selection for these areas.\u003c/p\u003e\n \u003cp\u003eWithin the scope of the study, the connectivity of the assembly areas to urban roads was determined through proximity analysis. As a result of the analysis and evaluation, it was found that the majority of emergency assembly points are distant from main urban roads. It was determined that five assembly areas in the Cumhuriyet, Ergenekon, Meng\u0026uuml;celi, Yavuz Selim, and Yunus Emre neighborhoods are connected to main urban roads. Additionally, the 5 emergency assembly areas located in Atat\u0026uuml;rk, G\u0026uuml;labibey, İn\u0026ouml;n\u0026uuml;, Karaağa\u0026ccedil; and Yavuz Selim neighborhoods have access to both main urban roads and connecting roads. The remaining 28 emergency assembly points can be accessed via urban access roads.\u003c/p\u003e\n \u003cp\u003eIn the study, proximity analysis was conducted for the proposed 67 emergency assembly points as well. As a result of the evaluation, it was determined that the emergency assembly point in the Mustafa Kemal Paşa, Bah\u0026ccedil;elievler, G\u0026ouml;lc\u0026uuml;k and Halitpaşa neighborhoods, which previously did not have emergency assembly points, can be accessed via main roads. It was determined that the remaining 63 emergency assembly points can be accessed via urban access roads.\u003c/p\u003e\n \u003cp\u003eAttention should be paid to the possibility of partial blockage of evacuation routes due to the collapse of buildings along the roadsides after an earthquake. The designated emergency assembly point should ideally be connected to at least two evacuation routes with width of no less than 7 meters (Chu and Su \u003cspan class=\"CitationRef\"\u003e2012\u003c/span\u003e). Additionally, according to a study conducted, the probabilities of road closure are as follows:\u003c/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cp\u003e98% for roads with widths ranging from 2 to 6 meters,\u003c/p\u003e\n \u003c/li\u003e\n \u003cli\u003e\n \u003cp\u003e11% for roads with widths ranging from 7 to 15 meters,\u003c/p\u003e\n \u003c/li\u003e\n \u003cli\u003e\n \u003cp\u003e0.3% for roads wider than 16 meters (JICA and IMM 2002).\u003c/p\u003e\n \u003c/li\u003e\n \u003c/ul\u003e\n \u003cp\u003eConsidering the urban access road mostly with a width of 7 meters found within the neighborhoods affiliated with Erzincan city center, emergency assembly points have been selected in open green areas. Taking all these factors into account, it is believed that the connectivity of emergency assembly points to urban access roads, including those in possible earthquake scenarios, will not create restrictive or challenging situations in terms of accessibility for disaster survivors.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec6\" class=\"Section2\"\u003e\n \u003ch2\u003eProximity analysis to healthcare facilities of emergency assembly areas\u003c/h2\u003e\n \u003cp\u003eIn order for people injured due to building collapses after a potential earthquake to receive medical intervention as quickly as possible, emergency assembly points should be located as close as possible to healthcare facilities (Soltani et al. \u003cspan class=\"CitationRef\"\u003e2015\u003c/span\u003e). Healthcare facilities should be located within 1\u0026ndash;3 km from designated emergency assembly areas (Anhorn and Khazai \u003cspan class=\"CitationRef\"\u003e2015\u003c/span\u003e). Therefore, proximity analysis of emergency assembly points and healthcare facilities (family health centers, hospitals, etc.) was conducted for both the lower limit of 1 km and the upper limit of 3 km service radius.\u003c/p\u003e\n \u003cp\u003eAs a result of the analysis, for the 1 km service radius, out of the total of 105 designated emergency assembly points, 25 are located outside the service area. When the upper limit of the service radius is taken as 3 km, all of the designated 105 emergency assembly points are located within the service area (Fig. \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e).\u003c/p\u003e\n\u003c/div\u003e\n\u003ch3\u003eSize Distribution Analysis\u003c/h3\u003e\n\u003cp\u003eIn order for emergency assembly points to be designated by relevant institutions and organizations and therefore be able to provide services when needed, they should have a size capable of serving a specific population. Therefore, the sizes of available assembly points are directly related to the population they will accommodate during and after disasters and emergencies. There are many studies defining different threshold values in terms of size. According to the most widely accepted standards, the minimum size of an emergency assembly point is 500 m\u0026sup2;, with no limitation on the maximum size.\u003c/p\u003e\n\u003cp\u003eThe sizes of the 38 emergency assembly points previously determined by AFAD within the study area have been analysed. The capacity of emergency assembly points to be used in disasters and emergencies varies depending on the neighborhood or region they are located in. In the current situation within the city, the total area of emergency assembly points is approximately 25 hectares (254,185 m\u0026sup2;). The smallest area among the emergency assembly points is a park area of 1,560 m\u0026sup2; located in the Arslanlı neighborhood. The largest area among the emergency assembly points is an open area of 26,178 m\u0026sup2; located in the Karaağa\u0026ccedil; neighborhood (Fig. \u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e).\u003c/p\u003e\n\u003cp\u003eIn addition to the available 38 emergency assembly points within the city, 67 more emergency assembly points have been proposed. The total area of these proposed 67 emergency assembly points is approximately 28 hectares (281,261 m\u0026sup2;). Thus, with the addition of the proposed emergency assembly points, the total area of emergency assembly points has increased by 2-fold, calculated to be approximately 54 hectares (535,446 m\u0026sup2;). The smallest area among the emergency assembly points is a park area of 547 m\u0026sup2; located in the Osmangazi neighborhood. The emergency assembly point with the largest area is the Kaan Murathan Demir park located in the Yalnızbağ neighborhood, with an area of 33,429 m\u0026sup2; (Fig. \u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e).\u003c/p\u003e\n\u003cdiv id=\"Sec8\" class=\"Section2\"\u003e\n \u003ch2\u003eCapacity Adequacy Analysis\u003c/h2\u003e\n \u003cp\u003eThe most important factor in determining the number and size of emergency assembly points is the population living within neighborhood boundaries. Planning studies at the neighborhood or district level after an earthquake calculate the amount of assembly area per population. These calculations are carried out by both local authorities and public institutions such as AFAD. Strategies and plans should be prepared to safely direct the population to assembly areas in areas where urbanization is heavily felt. In this study, neighborhood populations were used as data for the adequacy analysis of assembly areas at the neighborhood scale. The distribution of population and building to neighborhoods was examined, and each neighborhood was evaluated separately. The required emergency assembly area per capita value was determined as 1.5 m\u0026sup2; and calculated.\u003c/p\u003e\n \u003cp\u003eThere are emergency assembly points in 16 neighborhoods in Erzincan city center. In the adequacy analysis of available emergency assembly points conducted on a neighborhood basis, the assembly area ratio of 14 neighborhoods has been evaluated to be sufficient for the current population. However, in the remaining 2 neighborhoods, the assembly areas are insufficient according to the established standards. Additionally, there are no assembly areas in 53 neighborhoods.\u003c/p\u003e\n \u003cp\u003eAs a result of the studies conducted in the neighborhoods affiliated with Erzincan province center, a total of 67 new emergency assembly points have been proposed within 26 neighborhoods. Thus, there are emergency assembly points in a total of 42 neighborhoods. In the neighborhood-scale adequacy analysis of the proposed emergency assembly points, it has been determined that the assembly area ratio of 26 neighborhoods is sufficient for the current population (1.5 m\u0026sup2; per person). With the recent additions, there are still no emergency assembly points in 31 neighborhoods. Among these neighborhoods, 23 are distant from the city center, have a large agricultural land area, and mostly consist of single-storey detached houses or two-storey houses with gardens. Additionally, the remaining neighborhoods of Bayrak, Sancak, and Şehit Cengiz Topel, which are also distant from the city center, have a significant agricultural land area, and predominantly consist of single-storey detached houses, located around the airport, thus no emergency assembly point proposals could have been made. The neighborhoods of Hocabey, Taksim, and Kızılay, which also lack emergency assembly points, are located in the city center. However, as most of these neighborhoods are undergoing urban renewal processes, the construction process is still ongoing, hence no emergency assembly point proposals could have been made. Moreover, the neighborhoods of Yenidoğan and Işıkpınar, which do not have emergency assembly points and are close to the city center, also could not have emergency assembly area proposals due to their predominantly consisting of agricultural areas and generally single-family homes with gardens.\u003c/p\u003e\n \u003cp\u003eIt is evident that available neighborhood boundaries will not be binding for earthquake victims in the event of a possible earthquake. Therefore, the best alternative to neighborhood-scale analysis is an analysis based on the service area of assembly points. For the analysis, service areas (250m and 500m) were created by taking the emergency assembly area as the center (Fig. \u003cspan class=\"InternalRef\"\u003e4\u003c/span\u003e and Fig. \u003cspan class=\"InternalRef\"\u003e5\u003c/span\u003e). Afterwards, it was determined how much of the building stock within the neighborhood boundaries is within the service area (Table \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e).\u003c/p\u003e\n \u003cp\u003eThe numbers (\u0026fnof;) of neighborhoods where buildings fall within the 250m and 500m service area of available and proposed emergency assembly areas, as shown in Table \u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e, were created using Table \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e. Upon examination of Table \u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e, it is observed that for available assembly areas, 0\u0026ndash;24% of buildings in 57 neighborhoods, 25\u0026ndash;49% of buildings in 7 neighborhoods, 50\u0026ndash;74%, of buildings in 2 neighborhoods, and 75\u0026ndash;100% of buildings in 7 neighborhoods remained within the 250m service area. For proposed assembly areas, 0\u0026ndash;24% of buildings in 32 neighborhoods, 25\u0026ndash;49% of buildings in 12 neighborhoods, 50\u0026ndash;74%, of buildings in 13 neighborhoods, and 75\u0026ndash;100% of buildings in 16 neighborhoods fell within the 250m service area. According to the 500m service area, it was observed that available assembly areas covered 0\u0026ndash;24% of buildings in 47 neighborhoods, 25\u0026ndash;49% of buildings in 6 neighborhoods, 50\u0026ndash;74% of buildings in 3 neighborhoods, and 75\u0026ndash;100% of buildings in 17 neighborhoods. For proposed assembly areas, 0\u0026ndash;24% of buildings in 22 neighborhoods, 25\u0026ndash;49% of buildings in 5 neighborhoods, 50\u0026ndash;74% of buildings in 6 neighborhoods, and 75\u0026ndash;100% of buildings in 40 neighborhoods remained within the 500m service area.\u003c/p\u003e\n \u003cp\u003eAs observed, especially the neighborhoods close to the city center and with large populations are largely within the service area of the emergency assembly points according to the conducted study. The neighborhoods outside the service area are generally located far from the city center or have a large agricultural area, characterized by predominantly single-story detached houses with gardens.\u003c/p\u003e\n \u003cp\u003eIn addition, the adequacy of infrastructure in emergency assembly areas was also examined (Table \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e). As seen in Table \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e, out of the 38 emergency assembly points identified by AFAD, 34 have electricity and water infrastructure, while 4 do not. Only 9 of these areas have toilets. In the scope of the study, all 67 proposed emergency assembly points have electricity and water infrastructure, with 16 of them also having toilets. Despite the majority of parks and green areas throughout the city having electricity and water infrastructure, many of them lack toilets.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec9\" class=\"Section2\"\u003e\n \u003ch2\u003eFault avoidance distance analysis\u003c/h2\u003e\n \u003cp\u003eThe area affected by the surface deformation zone caused by active faults, which constitute the seismic source of earthquakes, is considered unsuitable for settlement, and construction is not allowed in these areas (Yıldız, \u003cspan class=\"CitationRef\"\u003e2023\u003c/span\u003e). In order to reduce the margin of error in identifying and mapping faults and to mitigate the impact of the expected surface faulting hazard on engineering structures (such as roads, bridges, viaducts, intersections, tunnels, etc.) by providing a safe distance, an avoidance zone is created on both sides of the surface faulting hazard zone (Nurlu \u003cspan class=\"CitationRef\"\u003e2017\u003c/span\u003e).\u003c/p\u003e\n \u003cp\u003eThe Active Fault Map of T\u0026uuml;rkiye was published by the General Directorate of Mineral Research and Exploration (MTA) in 2012 at a scale of 1/250,000. In these maps, the existing faults in the Erzincan city are classified as Earthquake Surface Rupture (active faults causing surface faulting between 1900 and the present day) and Holocene Fault (fault causing surface faulting during the Holocene period). The city of Erzincan is located in the Erzincan NJ 37\u0026thinsp;\u0026minus;\u0026thinsp;3 quadrangle on the respective active fault maps (MTA 2012). The faults located in the city of Erzincan are classified as normal faults in the Active Faults Map of T\u0026uuml;rkiye prepared by MTA. There is no standard regarding the required avoidance distance for emergency assembly areas. However, in studies conducted by G\u0026uuml;rboğa et al. (\u003cspan class=\"CitationRef\"\u003e2016\u003c/span\u003e) and Nurlu (\u003cspan class=\"CitationRef\"\u003e2017\u003c/span\u003e), an avoidance distance of 55 meters was considered for normal faults. In this study, the fault avoidance zone was also analysed based on a distance of 55 meters.\u003c/p\u003e\n \u003cp\u003eThe 38 available emergency assembly areas designated as open and green spaces by AFAD do not have a direct relationship with fault lines. These areas are outside the fault avoidance distance. Among the 67 proposed emergency assembly points designated as open and green spaces, six are located close to fault avoidance zones. One reason for selecting these locations is the absence of any assembly areas in these neighborhoods previously and the lack of alternative spaces nearby. Additionally, the surroundings of these designated areas are mostly open, with around houses generally being single or two-story structures, often newly built. Therefore, in the event of an earthquake caused by fault lines, rather than having no assembly areas in these locations, the decision was made to at least identify alternative assembly areas (Fig. \u003cspan class=\"InternalRef\"\u003e6\u003c/span\u003e).\u003c/p\u003e\n\u003c/div\u003e"},{"header":"Conclusion","content":"\u003cp\u003eThis study evaluates the suitability and adequacy of emergency assembly points in Erzincan, located in a high-risk geography due to its seismicity on the North Anatolian Fault. Geographic Information Systems were utilized for the assessment. The QGIS software, a multi-platform-supported, free, and open-source GIS application, was used for GIS analysis and mapping.\u003c/p\u003e \u003cp\u003eA total of 38 emergency assembly points have been identified for Erzincan province by AFAD. The majority of these areas consist of municipal park areas. Analysis and assessment have revealed that these assembly points are not homogenously distributed throughout the city and are insufficient. To minimize the problem, 67 new emergency assembly points have been proposed in the city center, increasing the number of neighborhoods with emergency assembly points to 42. As a result, the area of emergency assembly points, which was 258,703 m\u003csup\u003e2\u003c/sup\u003e, has increased to approximately 54 hectares (535,446 m\u003csup\u003e2\u003c/sup\u003e). With proposed emergency points, it has been observed that the number of neighborhoods within the 250 m and 500 m service areas has also increased as 43.75% for 250m and 42.5% for 500m in the 75\u0026ndash;100% range.\u003c/p\u003e \u003cp\u003eAdditionally, the assessment has shown that as one moves away from the city center, the population decreases, agricultural areas within neighborhood boundaries are abundant, and houses are mostly single-story with gardens, making it challenging to determine emergency assembly points for these areas. Ongoing urban renewal projects in some neighborhoods near the city center where emergency assembly points have not been identified have further complicated the process of determining these areas. The completion of urban renewal in densely populated neighborhoods near the city center without emergency assembly points will facilitate the identification of these areas. When the accessibility of available and proposed emergency assembly points is analysed, it is concluded that there will be no accessibility issues due to wide urban roads and the absence of tall buildings that could pose a risk of closure in the event of an earthquake. Moreover, the proximity of available and proposed emergency assembly points to healthcare facilities has been analysed, revealing that most of these points are located within the designated service area.\u003c/p\u003e \u003cp\u003eThe proximity analysis of emergency assembly points to fault avoidance zones revealed that upon evaluating all available and proposed areas, only a small fraction of the proposed emergency assembly points are close to these zones. These points were selected out of necessity due to the absence of alternative areas in the neighborhoods where they are located. The fact that the surroundings of these designated points are open suggests that potential adverse effects may be somewhat reduced.\u003c/p\u003e \u003cp\u003eAs a result of the assessment of the adequacy of the infrastructure of emergency assembly points, it was determined that the number of toilets was insufficient. This deficiency could lead to hygiene problems in the event of a future earthquake and may also cause the emergence of epidemic diseases after a certain period. Therefore, toilets should be urgently installed in these areas owned by local governments. As a result of assessment in the field have shown that there are not problems with access for disabled individuals to emergency assembly points. However, it has been observed that many emergency assembly points either lack warning signs and markers or have insufficient and poorly maintained ones.\u003c/p\u003e \u003cp\u003eLiterature research has revealed the absence of legislation containing criteria for the identification of emergency assembly points throughout the country. The majority of T\u0026uuml;rkiye' s population resides in the first-degree earthquake zone. Therefore, it is imperative to promptly establish and enforce legislation that includes criteria for determining emergency assembly points. Adhering to the necessary standards and criteria is essential to minimize the effects of disasters and ensure sustainability in disaster management. As long as these practices are supervised, it will be possible to minimize the effects of disasters on disaster victims.\u003c/p\u003e"},{"header":"Declarations","content":"\u003cp\u003eAcknowledgment\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eWe are grateful to the Erzincan Municipality for providing the data-sets for our study. We would also like to thank the anonymous reviewers for their constructive comments and suggestions that helped to improve the paper.\u003c/p\u003e\n\u003cp\u003eAuthor contributions\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;All authors have worked in research, conceptualization, data analysis, methodologies, writing, and editing.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;Conflict of interests\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;The authors have no conflicts of interest to declare.\u003c/p\u003e"},{"header":"References","content":"\u003col\u003e\u003cli\u003e\u003cspan\u003eAbid SK, Sulaiman N, Chan SW, Nazir U, Abid M, Han H, Ariza-Montes A, Vega-Mu\u0026ntilde;oz A (2021) Toward an Integrated Disaster Management Approach: How Artificial Intelligence Can Boost Disaster Management. 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In both historical and instrumental periods, Erzincan (Turkey) has experienced major earthquakes resulting in significant loss of life and property. The likelihood of similar earthquakes occurring in Erzincan in the future remains high. Therefore, it is necessary to identify safe areas where people can assemble after an earthquake, moving away from hazardous zones. The aim of this study is to analyse the capacities and adequacies of emergency assembly points, which constitute a step in disaster management and enhance the earthquake resilience of the city, using Geographic Information Systems (GIS) based on selected criteria (accessibility, spatial distribution, proximity to healthcare facilities, size, capacity adequacy, and proximity to fault avoidance zones), and to propose solutions. The assessment revealed that the available assembly points are not homogeneously distributed throughout the city and are inadequate to meet the available building and population density. Therefore, in addition to the available 38 emergency assembly points, 67 new alternative emergency assembly points have been identified. The proposed emergency assembly areas (in the 75\u0026ndash;100% range) increased the number of neighborhoods within the 250m service area by 43.75% and 42.5% for 500m.The findings underscore the necessity for more comprehensive and effective planning for Erzincan in the event of a potential disaster or emergency.\u003c/p\u003e","manuscriptTitle":"Analysis of Emergency Assembly Points for Post-Earthquake Disaster Management: A Case Study of Erzincan, Türkiye","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-03-12 17:48:35","doi":"10.21203/rs.3.rs-4032057/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Minor revisions","date":"2024-04-22T07:09:26+00:00","index":"","fulltext":""},{"type":"reviewerAgreed","content":"","date":"2024-03-09T17:23:22+00:00","index":0,"fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-03-09T16:20:36+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-03-08T12:33:02+00:00","index":"","fulltext":""},{"type":"submitted","content":"Natural Hazards","date":"2024-03-07T15:36:35+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"natural-hazards","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"nhaz","sideBox":"Learn more about [Natural Hazards](https://www.springer.com/journal/11069)","snPcode":"11069","submissionUrl":"https://submission.nature.com/new-submission/11069/3","title":"Natural Hazards","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false}}],"origin":"","ownerIdentity":"2c1827de-c887-4ca2-a01a-bbba49638f2c","owner":[],"postedDate":"March 12th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[],"tags":[],"updatedAt":"2024-06-21T15:19:10+00:00","versionOfRecord":{"articleIdentity":"rs-4032057","link":"https://doi.org/10.1007/s11069-024-06661-7","journal":{"identity":"natural-hazards","isVorOnly":false,"title":"Natural Hazards"},"publishedOn":"2024-06-13 15:19:10","publishedOnDateReadable":"June 13th, 2024"},"versionCreatedAt":"2024-03-12 17:48:35","video":"","vorDoi":"10.1007/s11069-024-06661-7","vorDoiUrl":"https://doi.org/10.1007/s11069-024-06661-7","workflowStages":[]},"version":"v1","identity":"rs-4032057","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4032057","identity":"rs-4032057","version":["v1"]},"buildId":"qtupq5eGEP_6zYnWcrvyt","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}