*Ji Wan Jeong¹, Chang Whan Oh², Deung-Lyong Cho³ (1. Kyushu Univ., 2. Jeonbuk Natl. Univ., 3. KIGAM, Rep. Korea)

*Tomoki Taguchi¹, Madhusoodhan Satish-Kumar², Akira Miyake³ (1. Waseda University, 2. Niigata University, 3. Kyoto University)

*Tatsuro ADACHI¹, Tetsuo KAWAKAMI², Fumiko HIGASHINO², Masaoki UNO³ (1. Faculty of Social and Cultural Studies, Kyushu University, 2. Graduate School of Science, Kyoto University, 3. Graduate School of Environmental Studies, Tohoku University,)

*Tetsuo Kawakami¹, Satish-Kumar M.², Mitsubori Tokuya², Silpa Ammini Sasidharan^2,3 (1. Kyoto University, 2. Niigata University, 3. Shimane University)

*Fumiko HIGASHINO¹, Tetsuo KAWAKAMI¹, Tatsuro ADACHI², Masaoki UNO³ (1. Kyoto University, 2. Kyushu University, 3. Tohoku University)

*Nobuhiko NAKANO¹, Sotaro BABA², Shin-ichi Kagashima³ (1. Faculty of Social and Cultural Sciences, Kyushu University, 2. Univ. Ryukyus, 3. Yamagata Univ.)

*Mizuki Takahashi¹, Shunsuke ENDO¹ (1. ShimaneUniversity)

*Yoshikuni HIROI¹ (1. None)

*Masaaki Owada¹, Katsuma Aoki², Eri Akasaki³, Atsushi Kamei⁴ (1. Yamaguchi University, 2. Fujita Geology CO.LTD., 3. The Yamaguchi Prefectural Museum, 4. Shimane University)

*Kazuhiro Miyazaki¹, Yayoi Muraoka¹ (1. Geological Survey of Japan)

*Junichi FUKUDA¹, Takamoto OKUDAIRA¹, Yukiko OHTOMO² (1. Department of Geosciences, Osaka Metropolitan University, 2. Department of Education, Art and Science, Yamagata University)

Sakurako Okude¹, *Ichiko Shimizu¹, Mugen Ogata, Katsuyoshi Michibayashi² (1. Kyoto University, 2. Nagoya University)

*Saki NOGUCHI¹, Hirataro IMAI², Osamu NISIKAWA³ (1. Kawasaki Geological Engineering Co.,Ltd., 2. OYO Corporation, 3. Akita Univ.)

*Mitsuhiro Hirano¹, Hiroyuki Nagahama¹ (1. Tohoku Univ.)

*Kazuhiko Ishii¹, Simon R. Wallis² (1. Department of Geosciences, Osaka Metropolitan University, 2. Department of Earth and Planetary Science, The University of Tokyo)