11:00 AM - 11:15 AM
*Mamoru Koarai1, Nobuyuki Nakajima2, Shigeki Senna3, Takashi Azuma4, Kazuki Yoshida5, Takayuki Nakano5 (1.Earth Science course, College of Science, Ibaraki University, 2.gradueted student, Earth Science course, Ibaraki University, 3.NIED, 4.AIST, 5.GSI)