*Tomoya Takano1, Takeshi Nishimura1, Hisashi Nakahara1 (1.Graduate School of Science, Tohoku University)
convener:Takeshi Nishimura(Department of Geophysics, Graduate School of Science, Tohoku University), Satoshi Okumura(Division of Earth and Planetary Materials Science, Department of Earth Science, Graduate School of Science, Tohoku University), Tomofumi Kozono(Department of Geophysics, Graduate School of Science, Tohoku University)