10:15 AM - 10:30 AM
*Toshiki Ohtaki1, Satoshi Kaneshima2, Hiroki Ichikawa3, Taku Tsuchiya3 (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Department of Earth and Planetary Sciences, Kyushu University, 3.Geodynamics Research Center, Ehime University)