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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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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