4:45 PM - 5:00 PM
*Takafumi Hirata1, Hideyuki Obayashi1, Yoshiki Makino1, Shuhei Sakata2, Toshihiro Suzuki3 (1.Graduate School of Science, Kyoto University, 2.Department of Earth Science & Astronomy, The University of Tokyo, 3.Graduate School of Science and Technology, Tokyo Institute of Technology)