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発表 Distribution characteristics of earthquake-induced landslide with the earthquake source fault-the cases of recent strong earthquakes in eastern Japan

作成年度 2009 年度
論文名 Distribution characteristics of earthquake-induced landslide with the earthquake source fault-the cases of recent strong earthquakes in eastern Japan
論文名(和訳)
論文副題
発表会 AGU 2009 Fall Meeting
誌名 Eos Trans. AGU
巻・号・回 90(52)
発表年月日 2009/12/01
所属研究室/機関名 著者名(英名)
Snow Avalanche and Landslide Research Center, PWRIHas Baator
Snow Avalanche and Landslide Research Center, PWRIIshii Yasuo
Snow Avalanche and Landslide Research Center, PWRIMaruyama Kiyoteru
National Institute for land and Infrastructure Management, MLITTerada Hideki
抄録
Based on analysis of earthquake-induced landslide distributions with the peak ground acceleration and seismic intensity (in JMA scale), distance from the source fault, the results revealed that: 1) Most of the landslides occurred in the area where the PGA is larger than 500 gal, and the maximum seismic intensity is larger than 5 plus ; 2) The landslides occurred in a short distance from the source fault (the shortest distance from the surface projection of top tip of the fault; 3) More than 80% of landslides occurred on the hanging wall, and the size of landslide is larger than that occurred on the footwall of the source fault; 4) The number and size of landslide tends to deceases with the distance from the source fault.
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