*Nobuko Kametani1,2, Hirochika Sumino3, Kenta Ueki4, Morihisa Hamada4, Yasuo Ishizaki5, Akihiko Terada6
(1.Mount Fuji Research Institute Yamanashi Prefectural Government, 2.Graduate School of Science and Engineering, University of Toyama, 3.Department of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology, 5.Faculty of Sustainable Design, University of Toyama, 6.Volcanic Fluid Research Center, School of Science, Tokyo Institute of Technology)