9:30 AM - 9:45 AM
*Hironao Matsumoto1, Takeshi Hanyu2, Takashi Miyazaki2, Qing Chang2, Bogdan s. Vaglarov2, Maria Luisa Tejada2, Junichiro Kuroda3, Katsuhiko Suzuki4 (1.Institute of Life and Evironmental Sciecnces, University of Tsukuba, 2.Volcanoes and Earth's Interior Research Center, Reseaech Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 3.Atmosphere and Ocean Research Institutee, The University of Tokyo, 4.Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology)