3:45 PM - 4:00 PM
*Kenji Matsuzaki1, Takuya Sagawa2, Yoshiaki Suzuki3, Tomohisa Irino4, Ken Ikehara3, Shin-ichi Kamikuri5, Takuya Itaki3 (1.Atmosphere and Ocean Research Institute, The university of Tokyo, 2.Kanazawa University, 3.Geological Survey of Japan, 4.Hokkaido University, 5.Ibaraki University)