Kenta Doihara¹, *Masanao Komatsu², Hiroshi Takenaka² (1.Department of Earth Sciences, Okayama University, 2.Graduate School of Natural Science and Technology, Okayama University)

*Ayumu Uneoka¹, Masanao Komatsu², Hiroshi Takenaka², Keiichi Nishimura³ (1.Okayama University, 2.Graduate school of Okayama University, 3.Okayama University of Science)

*Masayuki Yoshimi¹, Hisanori Matsuyama², Haruhiko Suzuki², Atsushi Yatagai², Takumi Hayashida³, Shinichi Matsushima⁴, Hiroshi Takenaka⁵, Hiroe Miyake⁶, Keiji Takemura⁷ (1.Geological Survey of Japan, AIST, 2.Oyo Corporation, 3.Building Research Institute, 4.DPRI, Kyoto University, 5.Okayama University, 6.Tokyo University, 7.Kyoto University)

*Takumi Hayashida¹, Masayuki Yoshimi², Masanao Komatsu³, Hiroshi Takenaka³ (1.IISEE, Building Research Institute, 2.Geological Survey of Japan, AIST, 3.Graduate School of Natural Science and Technology, Okayama University)

*Ayumu Uneoka¹, Masanao Komatsu², Hiroshi Takenaka², Keiichi Nishimura³ (1.Okayama University, 2.Graduate school of Okayama University, 3.Okayama University of Science)

*Masayuki Yoshimi¹, Hisanori Matsuyama², Haruhiko Suzuki², Atsushi Yatagai², Takumi Hayashida³, Shinichi Matsushima⁴, Hiroshi Takenaka⁵, Hiroe Miyake⁶, Keiji Takemura⁷ (1.Geological Survey of Japan, AIST, 2.Oyo Corporation, 3.Building Research Institute, 4.DPRI, Kyoto University, 5.Okayama University, 6.Tokyo University, 7.Kyoto University)

*Takumi Hayashida¹, Masayuki Yoshimi², Masanao Komatsu³, Hiroshi Takenaka³ (1.IISEE, Building Research Institute, 2.Geological Survey of Japan, AIST, 3.Graduate School of Natural Science and Technology, Okayama University)

*Takumi Murakoshi¹, Hiroshi Takenaka², Masanao Komatsu², Nobuyuki Yamada³ (1.National Defense Academy, 2.Okayama University, 3.University of Teacher Education Fukuoka)

*Genti Toyokuni¹, Hiroshi Takenaka², Ryota Takagi¹, Masaki Kanao³, Seiji Tsuboi⁴, Yoko Tono⁵, Dean Childs⁶, Dapeng Zhao¹ (1.Tohoku Univ., 2.Okayama Univ., 3.NIPR, 4.JAMSTEC, 5.MEXT, 6.IRIS / PASSCAL)