*OTGONBAYAR DANDAR1, Atsushi Okamoto1, Masaoki Uno1, Noriyoshi Tsuchiya1 (1.Graduate School of Environmental Studies, Tohoku University)
convener:Noriyoshi Tsuchiya(Graduate School of Environmental Studies, Tohoku University), Hiroshi Asanuma(AIST), Yasuo Ogawa(Volcanic Fluid Research Center, School of Science, Tokyo Institute of Technology)