*Yuhji Yamamoto¹, Maxwell Christopher Brown^2,3, Hiroyuki Hoshi⁴, Vivian Sinnen^3,10, Hiroto Ishikawa¹, Brian Jicha⁵, Masaru Kono⁶, Hidefumi Tanaka¹, Takehiro Koyaguchi⁷, Kohei Masaoka^1,8, Justin Tonti-Filippini^3,9 (1.Kochi University, 2.University of Minnesota, 3.University of Iceland, 4.Aichi University of Education, 5.University of Wisconsin-Madison, 6.Tokyo Institute of Technology, 7.University of Tokyo, 8.Kyushu University, 9.University of Oslo, 10.Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research)

*Yuto Koremura¹, Yuhji Yamamoto¹, Hiroyuki Hoshi², Chie Kato³, Jowita KUMEK⁴, Elisa PIISPA⁴ (1.Kochi university , 2.Aichi university of Education, 3.Kyushu university, 4.University of Iceland)

*Yutaka Yoshimura¹, Masakazu Fujii^2,3 (1.Faculty of Social and Cultural Studies, Kyushu University, 2.National Institute of Polar Research, 3.The Graduate University for Advanced Studies)

*Hirokuni Oda¹, Jun Kawai², Naoto Fukuyo¹, Akihiro Tanimoto^4,1, Isao Yosano^3,1, Miki Kawabata² (1.Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 2.Kanazawa Institute of Technology, 3.Kochi University, 4.Ibaraki University)

*Takuto Minami¹, Masaki Matsushima², Yuko Kondo¹, Hisayoshi Shimizu⁴, Hiroaki TOH³ (1.Division of Frontier Planetology, Department of Planetology, Graduate School of Science, Kobe University, 2.School of Science, Tokyo Institute of Technology, 3.Graduate School of Science, Kyoto University, 4.Earthquake Research Institute, University of Tokyo)