*HU Wei¹、XU Qiang¹、WANG Gonghui²、VAN ASCH T.w.j.³、HICHER Pierre-yves⁴ (1.State Key Laboratory of Geo-Hazard Prevention and Geo-Environment Protection, Chengdu University of、2.Disaster Prevention Research Institute, Kyoto University, Japan、3.Faculty of Geosciences, Utrecht University, Heidelberglaan 2, 3584 CS, The Netherlands、4.LUNAM University, Ecole Centrale de Nantes, CNRS UMR 6183, France)