NDLI: A dynamic estimation of casualties from an earthquake based on a time-use survey: applying HAZUS-MH software to Ulsan, Korea

Content Provider	Springer Nature Link
Author	Park, Jong Hwa Shin, Myoungsu Cho, Gi Hyoug
Copyright Year	2015
Abstract	One essential piece of information used to estimate earthquake casualties is the spatiotemporal distribution of the population. HAZUS-MH is a loss-estimation model nested in a geographic information system that has been developed and freely distributed by the US Federal Emergency Management Agency to estimate loss and damage due to natural hazards. Because inventories of behavioral patterns based on empirical data have not been developed and have relied solely on behavioral information about the US population, they may not provide reliable and meaningful casualty estimations in an international setting. To estimate accurate hourly exposure for an earthquake using empirical data, the study uses a daily time-use survey conducted by Statistics of Korea. The survey contains behavioral data from approximately 21,000 respondents, collected over 24 h. By combining structural damage estimates, calculated by HAZUS-MH, with spatiotemporal behavior patterns estimated using a daily time-behavioral survey in Korea, the study shows the estimated casualties related to a given earthquake scenario in the Ulsan area. The simulation results show that the greatest number of estimated casualties occurred when the earthquake struck between 2 a.m., and 4 a.m. The fewest casualties were expected when the earthquake occurred between 12 p.m., and 2 p.m. The proportion of the indoor population in damaged buildings and the spatial distribution of occupancy type was one of the important factors. During the daytime, casualties increased where the nonresidential occupancy was concentrated. At nighttime, a higher number of casualties were estimated in residential occupancy.
Starting Page	289
Ending Page	306
Page Count	18
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	81
Issue Number	1
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-11-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Earthquake HAZUS-MH Time-use survey Casualties Natural Hazards Hydrogeology Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Civil Engineering Environmental Management
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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