6:15 PM - 7:30 PM
*Naho OTSUJI1, Atsushi KAMEI2, Noriyoshi TSUCHIYA3, Grantham G.H.4, Tetsuo KAWAKAMI5, Masahiro ISHIKAWA6 (1.Niigata University, 2.Shimane University, 3.Tohoku University, 4.Council for Geoscience, South Africa, 5.Kyoto University, 6.Yokahama National University)