17:15 〜 18:30
*Subeg Man Bijukchhen1、Nobuo Takai1、Michiko Shigefuji2、Masayoshi Ichiyanagi2、Tsutomu Sasatani、Yokito Sugimura (1.Graduate School of Engineering, Hokkaido University、2.Institute of Seismology and Volcanology, Graduate School of Science, Hokkaido University)