Articles | Volume 18, issue 1
https://doi.org/10.5194/nhess-18-65-2018
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, Fumio Yamazaki, Wen Liu, and Masumi Yamada

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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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