9:45 AM - 10:00 AM
*Hideto Otsuka1, Yusaku Ohta1, Ryota Hino1, Tatsuya Kubota2, Daisuke Inazu3 (1.Department of Geophysics, Graduate School of Science, Tohoku University, National University Corporation, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology)