3:45 PM - 4:00 PM
*Tatsuhiko Kawamoto1, Jun-Ichi Kimura2, Qing Chang2, Masako Yoshikawa1, Mitsuru Okuno3, Tetsuo Kobayashi4 (1.Institute for Geothermal Sciences, Graduate School of Science, Kyoto University, 2.JAMSTEC, Yokosuka, 3.Fukuoka University, 4.Kagoshima University)