*Tatsuhiko Yamaguchi¹, Tomohiro Tsuji², Futoshi Nanayama^3,4, Toshimichi Nakanishi⁹, Michiharu Ikeda⁸, Yasuo Kondo⁵, Michiko Miwa⁶, Yohei Hamada⁷ (1.Nation. Mus. Nat. Sci., 2.Yamaguchi Univ., 3.AIST, 4.Kumamoto Univ., 5.Kochi Univ., 6.JAPEX, 7.JAMSTEC, 8.Shikoku Research Institute Inc, 9.Japan Atomic Energy Agency )

*Futoshi Nanayama^1,2, Tatsuhiko Yamaguchi³, Nakanishi Toshimichi⁴, Tomohiro Tsuji⁵, Michiharu Ikeda⁵, Kondo Yasuo⁶, Michiko Miwa⁷, Shinji Sugiyama⁸, Kazunari Kimura⁹ (1.Geological Survey of Japan, AIST, 2.CWMD, Kumamoto University, 3.National Museum of Nature and Science, 4.Japan Atomic Energy Agency, 5.Shikoku Research Institute Inc., 6.Kochi University, 7.JAPEX Research Center, 8.Paleo Environment Research Center, 9.Naiba Ehime Branch)

*Hideto Uchida¹, Michiharu Ikeda¹, Takeshi Tsuji², Kozo Onishi³, Naoki Nishizaka³ (1.Shikoku Research Institute inc., 2.Department of Earth Resources Engineering, Kyushu University, 3.Shikoku Electronic Power)

*Michiharu Ikeda¹, Kakda Kret², Takeshi Tsuji³, Tatsunori Ikeda³, Tomohiro Tsuji⁴, Kozo Onishi⁵, Naoki Nishizaka⁵ (1.Department of Civil Engineering, Shikoku Research Institute Incorporated, 2.Institute of Technology of Cambodia, 3.Kyushu University, 4.Yamaguchi University, 5.Shikoku Electoric Power Co. Inc.)

*Chisato Nakamura¹, Tomohiro Tsuji², Michiharu Ikeda³, Naoki Nishizaka⁴, Kozo Ohnishi⁴, Masayuki Sakakibara^5,6 (1.NAIBA Co. Ltd., 2.Graduate School of Science and Technology for Innovation, Yamaguchi University, 3.Shikoku Research Institute INC., 4.Shikoku Electric Power Co. Ltd., 5.Faculty of Collaborative Regional Innovation, Ehime University, 6.Research Institute for Humanity and Nature)