Articles | Volume 18, issue 1
Nat. Hazards Earth Syst. Sci., 18, 65–78, 2018
https://doi.org/10.5194/nhess-18-65-2018
Nat. Hazards Earth Syst. Sci., 18, 65–78, 2018
https://doi.org/10.5194/nhess-18-65-2018

Research article 04 Jan 2018

Research article | 04 Jan 2018

Detection of collapsed buildings from lidar data due to the 2016 Kumamoto earthquake in Japan

Luis Moya et al.

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Cited articles

Aixia, D., Zongjin, M., Shusong, H., and Xiaoqing, W.: Building damage extraction from post-earthquake airborne LiDAR data, Acta Geol. Sin.-Engl., 90, 1481–1489. 2016.
Asia Air Survey Co., Ltd.: The 2016 Kumamoto earthquake, available at: http://www.ajiko.co.jp/article/detail/ID5725UVGCD/, last access: 1 April 2017.
Building Research Institute: Final report of damage survey of the 1995 Hyogoken-Nanbu earthquake, available at: http://www.kenken.go.jp/japanese/research/iisee/list/topics/hyogo/pdf/h7-hyougo-jp-all.pdf (last access: 1 September 2017), 1996 (in Japanese).
Building Research Institute: Wallstat version 3.1, collapsing simulation program for timber structures, available at: http://www.nilim.go.jp/lab/idg/nakagawa/wallstat.html (last access: 1 September 2017), 10 September 2015.
Cabinet Office of Japan: Summary of damage situation in the Kumamoto earthquake sequence, available at: http://www.bousai.go.jp/updates/h280414jishin/index.html, last access: 1 September 2017 (in Japanese).
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Short summary
On 14 April 2016, an Mw 6.5 earthquake occurred in Kumamoto prefecture, Japan (foreshock). About 28 h later, another earthquake of Mw 7.0 occurred (mainshock). The earthquake produced extensive losses to the infrastructure. This paper shows the extraction of collapsed buildings from a pair of airborne lidar data recorded before and after the mainshock. A number of methods were applied and their performances were evaluated by comparison with actual data obtained from a field survey.
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