9:30 AM - 9:45 AM
*Hajime HIYAGON1, Naoji SUGIURA1, Noriko T. KITA2, Makoto KIMURA3, Yuichi MORISHITA4, Yoshie TAKEHANA1 (1.Graduate School of Science, The University of Tokyo, 2.Department of Geoscience, University of Wisconsin -Madison, USA, 3.Faculty of Science, Ibaraki University, 4.Department of Geosciences, Shizuoka University)