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Article

Balancing Hazard Exposure and Walking Distance in Evacuation Route Planning during Earthquake Disasters

Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Korea
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ISPRS Int. J. Geo-Inf. 2020, 9(7), 432; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9070432
Received: 30 May 2020 / Revised: 1 July 2020 / Accepted: 7 July 2020 / Published: 10 July 2020
(This article belongs to the Special Issue Geomatics and Geo-Information in Earthquake Studies)
Efficient evacuation planning is important for quickly navigating people to shelters during and after an earthquake. Geographical information systems are often used to plan routes that minimize the distance people must walk to reach shelters, but this approach ignores the risk of exposure to hazards such as collapsing buildings. We demonstrate evacuation route assignment approaches that consider both hazard exposure and walking distance, by estimating building collapse hazard zones and incorporating them as travel costs when traversing road networks. We apply our methods to a scenario simulating the 2016 Gyeongju earthquake in South Korea, using the floating population distribution as estimated by a mobile phone network provider. Our results show that balanced routing would allow evacuees to avoid the riskiest districts while walking reasonable distances to open shelters. We discuss the feasibility of the model for balancing both safety and expediency in evacuation route planning. View Full-Text
Keywords: evacuation route planning; disaster mitigation planning; GIS-based decision support systems for risk analysis and emergency management evacuation route planning; disaster mitigation planning; GIS-based decision support systems for risk analysis and emergency management
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MDPI and ACS Style

No, W.; Choi, J.; Park, S.; Lee, D. Balancing Hazard Exposure and Walking Distance in Evacuation Route Planning during Earthquake Disasters. ISPRS Int. J. Geo-Inf. 2020, 9, 432. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9070432

AMA Style

No W, Choi J, Park S, Lee D. Balancing Hazard Exposure and Walking Distance in Evacuation Route Planning during Earthquake Disasters. ISPRS International Journal of Geo-Information. 2020; 9(7):432. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9070432

Chicago/Turabian Style

No, Wonjun, Junyong Choi, Sangjoon Park, and David Lee. 2020. "Balancing Hazard Exposure and Walking Distance in Evacuation Route Planning during Earthquake Disasters" ISPRS International Journal of Geo-Information 9, no. 7: 432. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9070432

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