4:15 PM - 4:30 PM
*Shinsuke Okada1, Toshifumi Imaizumi2, Atsumasa Okada3, Norihiro Nakamura2, Tatsuro Fukuchi4, Kenshiro Otsuki5 (1.International Research Institute of Disaster Science, Tohoku University, 2.Graduate School of Science, Tohoku University, 3.Emeritus professor of Kyoto University, 4.Graduate School of Education & Human Sciences, University of Yamanashi, 5.Emeritus professor of Tohoku University)