*Koichi Yamauchi¹, Masahiro Ishikawa², Hiroshi Sato¹, Takaya Iwasaki¹, Tsuyoshi Toyoshima³ (1.Earthquake Research Institute, The University of Tokyo, 2.Yokohama National University, 3.Niigata University)

*Tsuyoshi Toyoshima¹, Yasuhito Osanai², Masaaki Owada³, Toshiaki Tsunogae⁴, Tomokazu Hokada⁵, Norio Shigematsu⁶ (1.Department of Geology, Faculty of Science, Niigata University, 2.Division of Evolution of Earth Environments, Kyushu University, 3.Department of Earth Sciences, Yamaguchi University, 4.Faculty of Life and Environmental Sciences, 5.National Institute of Polar Research, 6.National Institute of Advanced Industrial Science and Technology)

*Madhusoodhan Satish-Kumar¹, Kaoru Mishima², Tsuyoshi Toyoshima¹, Kentaro Koinuma³, Yoshiihiro Enya³, Itsuki Muramatsu³, Tomokazu Hokada⁴, Yuichiro Ueno², Atsushi Kamei⁵, Kyoko Kataoka⁶, Krishnan Sajeev⁷ (1.Department of Geology, Faculty of Science, Niigata University, 2.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan, 3.Graduate School of Science and Technology, Niigata University, Japan, 4.National Institute of Polar Research, 10-3, Midori-cho, Tachikawa-shi, Tokyo 190-8518, Japan, 5.Department of Geosciences, Shimane University, Matsue 690-8504, Japan, 6.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 7.Centre for Earth Sciences, Indian Institute of Science, Bangalore 560 012 India)

*Atsushi Kamei¹, Tomokazu Hokada², Madhusoodhan Satish-Kumar³, Tsuyoshi Toyoshima³, Kaoru Mishima⁴, Yuichiro Ueno⁴, Kyoko Kataoka⁵ (1.Department of Geoscience, Interdisciplinary Faculty of Science and Engineering, Shimane University, 2.National Institute of Polar Research, 10-3, Midori-cho, Tachikawa-shi, Tokyo 190-8518, Japan, 3.Department of Geology, Niigata University, 2-8050 Ikarashi, Nishi-ku, Niigata 950-2181, Japan, 4.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan, 5.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, 2-8050 Ikarashi, Nishi-ku, Niigata 950-2181, Japan)

*Yoshiihiro Enya¹, Kaoru Mishima², Toshiro Takahashi³, Madhusoodhan Satish-Kumar³, Tsuyoshi Toyoshima³ (1.Graduate school of Science and Technology, Niigata University., 2.Department of Earth & Planetary Science, Tokyo Institute of Technology, 3.Department of Geology, Faculty of Science, Niigata University)

Kentaro Koinuma¹, *Madhusoodhan Satish-Kumar², Kaoru Mishima³, Yuichiro Ueno³, Tomokazu Hokada⁴, Tsuyoshi Toyoshima² (1.Graduate School of Science & Technology Niigata University, 2.Department of Geology, Faculty of Science, Niigata University, 3.Department of Earth & Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan, 4.National Institute of Polar Research, Tachikawa, Tokyo, Japan)

*Yoshihiro Nakamura¹, Madhusoodhan Satish-Kumar², Tsuyoshi Toyoshima² (1.Graduate School of Science and Technology, Niigata University, 2.Department of Geology, Faculty of Science, Niigata University)