*Esti Handini¹, Toshiaki Hasenaka², Takashi Sano³, Nicholas Dewitt Barber⁴, Hikaru Iwamori⁵, Masataka Kawaguchi⁵, Prya Arif Rahman¹ (1.Geological Engineering Department, Universitas Gadjah Mada, 2.Center for Water Cycle, Marine Environment, and Disaster Management, Kumamoto University, 3.National Museum of Nature and Science, Tokyo , 4.Department of Earth and Environmental Geoscience, Washington & Lee University, 5.Earthquake Research Institute, The University of Tokyo)