*Shunichi Koshimura¹, *Naoto Yokoya², *Christian Geiß³, *Marc Wieland³, *Fumio Yamazaki⁴, *Hiroyuki Miura⁵, Günter Strunz³, Erick Mas¹ (1. International Research Institute of Disaster Science, Tohoku University, Japan, 2. RIKEN AIP Center, Japan, 3. German Aerospace Center, Germany, 4. National Research Institute for Earth Science and Disaster Resilience, Japan, 5. Graduate School of Engineering, Hiroshima University, Japan)