2:30 PM - 2:45 PM
*Motoyuki Kido1, Eiichiro Araki2, Takeshi Tsuji3, Ryusuke Yamamoto4, Yoshifumi Kawada1 (1.International Research Institute for Disaster Science, Tohoku University, 2.JAMSTEC, 3.Dept. Earth Resources Engineering, Kyushu University, 4.School of Science, Tohoku University)