*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)

*Masayo Minami¹, Minoru Sakamoto², Akira Kadokura³, Masao Ohno⁴ (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.National Museum of Japanese History, 3.Research Organization of Information and Systems, 4.Advanced Asian Archaeological Research Center, Kyushu University)

*Tadahiro Hatakeyama¹, Yuhji Yamamoto², Chie Kato³, Yu Kitahara³, Masao OHNO³ (1.Institute of Frontier Science and Technology, Okayama University of Science, 2.Marine Core Research Institute, Kochi University, 3.Graduate School of Integrated Sciences for Global Society, Kyushu University)

*Yu Kitahara¹, Thi Phuong Lan Luu², Van Tho Nguyen³, Hoang Bach Linh Nguyen⁴, Tadahiro Hatakeyama⁵, Yuhji Yamamoto¹, Chie Kato⁶, Masao Ohno⁶, Mariko Yamagata⁷ (1.Marine Core Research Institute, Kochi University, 2.Institute of Geophysics, Vietnam Academy of Science and Technology, 3.Management Board for MySon Cultural Heritage, 4.Division of Humanities, Graduate School of Human and Socio-Environmental Studies, Kanazawa University, 5.Research Institute of Frontier Science and Technology, Okayama University of Science, 6.Faculty of Social and Cultural Studies, Kyushu University, 7.Curator Course, Certification Courses, Rikkyo 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)