Convener:*Takashi Yoshino(Institute for Study of the Earth's Interior, Okayama University), Satoru Tanaka(Department of Deep Earth Structure and Dynamics Research Japan Agency for Marine-Earth Science and Technology), Dapeng Zhao(Department of Geophysics, Tohoku University), Masanori Kameyama(Geodynamics Research Center, Ehime University), John Hernlund(Earth-Life Science Institute, Tokyo Institute of Technology), Chair:Satoru Tanaka(Department of Deep Earth Structure and Dynamics Research), Kenji Kawai(Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, University of Tokyo)