Hazard Mapping of Earthquake-Induced Deep-Seated Catastrophic Landslides Along the Median Tectonic Line in Shikoku by Using LiDAR DEM and Airborne Resistivity Data

Shuichi Hasegawa,Tatsuro Chiba,Satoshi Onoda,Jun’ichi Uchida,Katsushi Kawato,Atsuko Nonomura,Ryota Kageura

doi:10.1007/978-3-319-09057-3_120

Hazard Mapping of Earthquake-Induced Deep-Seated Catastrophic Landslides Along the Median Tectonic Line in Shikoku by Using LiDAR DEM and Airborne Resistivity Data

Shuichi Hasegawa, Tatsuro Chiba + Show 5 more

https://doi.org/10.1007/978-3-319-09057-3_120

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Publication Date: Jan 1, 2015

Citations: 1

Affiliation: Takamatsu University, Kagawa University

#Median Tectonic Line #Nankai Trough + Show 8 more

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Abstract

Shikoku Island has been threatened by great earthquakes occurred along the Nankai Trough and the Median Tectonic Line. Estimated magnitude of the largest earthquake along the Nankai Trough is estimated 9.0. Estimated magnitude of the Median Tectonic Line Earthquakes in northeastern part of Shikoku is 8.0 or more. The great earthquakes might trigger deep-seated landsides and the huge amount of landslide debris might paralyze transportation and isolate villages in mountainous areas. In order to mitigate the damage, estimating the hazard and preparation is necessary. In this study, index of susceptibility for earthquake-induced deep-seated catastrophic landslides is proposed geologically and geomorphologically.

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