*Yoji Arakawa¹, Hiromichi Kani², Soichiro Ueno³, Taro Shinmura⁴, Kei Ikehata¹ (1.Earth Evolution Sciences, Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Sabo and Landslide Technical Center, 3.College of Geosciences, School of Life and Environmental Sciences, 4.Faculty of Economics, Kumomoto Gakuen University)

*Tetsuichi Takagi¹ (1.Research Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology)

*Tatsuo Kanamaru¹ (1.Department of Earth and Environmental Sciences, College of Humanities & Sciences, Nihon University)

*Keisuke Eshima¹, Masaaki Owada¹, Atsushi Kamei² (1.Yamaguchi University Graduate school of sciences and technology for innovation, 2.Shimane University Department of earth science, interdisciplinary faculty of science and engineering)

Shuhei Yoshida¹, *Takuya Echigo¹, Yasushi Watanabe¹ (1.Graduate School of International Resource Sciences, Akita University)

*Mia Flores¹ (1.Stanford University)

*Kazuhiro Koga¹, Motohiro Tsuboi¹, Ryunosuke Ikeda¹, Misaki Kubo¹ (1.Kwansei Gakuin University)

*Naoto Kimura^1,2, Yuji Ichiyama³, Takashi Miyazaki², Bogdan S. Vaglarov², Qing Chang², Takeshi Hanyu², Jun-Ichi Kimura² (1.Graduate School of Science and Engineering, Chiba University, 2.Japan Agency for Marine–Earth Science and Technology, 3.Graduate School of Science, Chiba University)

*Kato Satomi¹, Sumio Miyashita² (1.Graduate school of science and technology, Niigata university, 2.Hokkaido Research Center of Geology)

*Seika Oto¹, Kosei Komuro¹, Masaaki Shimizu², Hisatada Akahane (1.Toyama University, 2.Hokuriku Polytechnic College)

*Tomita Makiko¹, Shin Toyoda¹, Hirotsugu Nishido¹ (1.Okayama university of science)

*Tomoaki Matsui¹ (1.Department of Geology, Faculty of Education, Kagoshima University)

*Hiroaki Ohfuji¹, Akinori Matsuda¹, Takeshi Kakegawa² (1.Geodynamics Research Center, Ehime University, 2.Graduate School of Science, Tohoku University)

*Shoko Odake¹, Hiroaki Ito², Hiroshi Takahashi³, Shingo Ono² (1.GIA Tokyo Godokaisha, 2.Nagoya Institute of Technology, 3.Gemological Institute of America)

*Takahiro Sato¹, Nobuo Hirano¹, Noriyoshi Tsuchiya¹, Atsushi Okamoto¹ (1.Tohoku University)

*Sanae Koizumi¹, Takehiko Hiraga¹ (1.Earthquake Research Institute,The University of Tokyo)

*Tomoya Muramoto¹ (1.National Institute of Advanced Industrial Science and Technology)

*AIKO HAYAUCHI¹, Daisuke Sasakura¹ (1.Malvern Panalytical division of Spectris Co., Ltd)

*Yayoi Muraoka¹, Masaaki Owada², Teruyoshi Imaoka², Atsushi Kamei³, Kazuhiro Miyazaki¹ (1.Advanced Industrial Science and Technology, 2.Yamaguchi Univ., 3.Shimane Univ.)