*Hirokuni Oda¹, Chisato Anai², Naoto Fukuyo¹, Takashi Ito³, Naotomo Kaneko¹ (1.Geological Survey of Japan, AIST, 2.Kyoto University, 3.Ibaraki University)

*Hiroki Matsumoto¹, Chisato Anai², Hitoshi Hasegawa¹, Kanade Izumi¹, Minoru Ikehara¹, Aki Sakuma³, Ryusei Kuma⁴, Yuhji Yamamoto¹ (1.Kochi University, 2.Kyuto University, 3.University of Tokyo, 4.Miyazaki University)

*Chisato Anai¹, Hirokuni Oda², Noriko Hasebe³, Hitoshi Hasegawa⁴ (1.Aso Volcanological Laboratory, Kyoto University, 2.Geological Survey of Japan, 3.Institute of Nature and Environmental Technology, Kanazawa University, 4.Faculty of Science and Technology, Kochi University)

*Yutaka Yoshimura¹, Hyeon-Seon Ahn^2,3, Chie Kato^4,7, Yuhji Yamamoto⁵, Chisato Anai⁶, Yoshinori Tajiri^4,7, Tadahiro Hatakeyama⁸, Masao OHNO^4,7 (1.National Institute of Polar Research, 2.Korea Institute of Geoscience and Mineral Resources, 3.University of Science and Technology, 4.Faculty of Social and Cultural Studies, Kyushu University, 5.Marine Core Research Institute, Kochi University, 6.Aso Volcanological Laboratory, Kyoto University, 7.Advanced Asian Archaeological Research Center, Kyushu University, 8.Institute of Frontier Science and Technology, Okayama University of Science)

*Kanade Izumi¹, Hitoshi Hasegawa¹, Minoru Ikehara¹, Aki Sakuma², Hiroki Matsumoto¹, Chisato Anai³, Ryusei Kuma⁴ (1.Kochi University, 2.University of Tokyo, 3.Kyoto University, 4.Miyazaki University)

*Masafumi MURAYAMA¹, Sari Akutsu³, Juichiro Ashi⁴, Naomi Harada⁴, Chisato Anai², Yuhji Yamamoto² (1.Faculty of Agriculture and Marine Science, Kochi University, 2.Marine Core Research Institute, Kochi University, 3.Graduate school of Integrated Arts and Science, Kochi University, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Yutaka Yoshimura¹, Hyeon-Seon Ahn^2,3, Chie Kato^4,7, Yuhji Yamamoto⁵, Chisato Anai⁶, Yoshinori Tajiri^4,7, Tadahiro Hatakeyama⁸, Masao OHNO^4,7 (1.National Institute of Polar Research, 2.Korea Institute of Geoscience and Mineral Resources, 3.University of Science and Technology, 4.Faculty of Social and Cultural Studies, Kyushu University, 5.Marine Core Research Institute, Kochi University, 6.Aso Volcanological Laboratory, Kyoto University, 7.Advanced Asian Archaeological Research Center, Kyushu University, 8.Institute of Frontier Science and Technology, Okayama University of Science)