*Ritsuya Shibata1, Naofumi Aso1, Junichi Nakajima1, Satoshi Ide2 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, University of Tokyo)
convener:Naofumi Aso(Tokyo Institute of Technology), Yohei Yukutake(Hot Springs Research Institute of Kanagawa Prefecture), Chairperson:Naofumi Aso, Yohei Yukutake