4:30 PM - 4:45 PM
*Yuichi Namegaya1, Ryosuke Ando2, Masanobu Shishikura1, Shigehiro Nomura3 (1.Institute of Earthquake and Volcano Geology, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Graduate School of Science, Univ. Tokyo, 3.Tanaka Geological Corporation)