Akinori Sato¹, *Takeshi Imayama¹, Dripta Dutta¹, Yasuaki Kaneda², Shota Watanabe^2,3, Takeshi Hasegawa², Masayo Minami⁴, Yuki Wakasugi^4,5, Shigeyuki Wakaki^6,7, Keewook Yi⁸ (1.Institute of Frontier and Science Technology, Okayama University of Science, 2.Graduate School of Science and Engineering, Ibaraki University, 3.Mount Fuji Research Institute, Yamanashi Prefectural Government, 4.Institute for Space-Earth Environmental Research, Nagoya University, 5.Gangoji Institute for Cultural Properties, 6.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 7.National Museum of Japanese History, National Institutes for the Humanities, 8.Korea Basic Science Institute)