*Motoyuki Kido1, Ryo Matsui2, Yoshihiro Niwa3, Chie Honsho2 (1.International Research Institute for Disaster Science, Tohoku University, 2.School of Science, Tohoku University, 3.Ocean Alliance, the University of Tokyo)
convener:Masatsune Hatakeyama(Seiko Gakuin High School), Chairperson:Toshihiro Niwa