4:00 PM - 4:15 PM
*Hiroaki Koge1, Taichi Sato1, Jun Arimoto1, Makoto Otsubo1, Saki Ishino1, Yoshiaki Suzuki1, Osamu Ishizuka1, Takahiko Inoue1, Mikiya Yamashita1, Seishiro Furuyama2, Yuka Yokoyama3, Hiroki Minami4, Chiori Tamura5 (1.Geological Survey of Japan, AIST, 2.Tokyo University of Marine Science and Technology, 3.Tokai University, 4.Japan Coast Guard, 5.Atmosphere and Ocean Research Institute, The University of Tokyo)