convener:Tomohiro Ohuchi(Geodynamics Research Center, Ehime University), Saeko Kita(Department of Earth and Planetary Systems Science, Hiroshima University), Brent G Delbridge(Berkeley Seismological Lab), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Chairperson:Keishi Okazaki(Japan Agency for Marine-Earth Science and Technology), Chairperson:Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Chairperson:Tomohiro Ohuchi(Geodynamics Research Center, Ehime University)