^○Yoshiyuki Kaneda, Kazuhito Fujisawa, Chikako Isouchi (Kagawa University, Kagawa, Japan)

^○Srinagesh D¹, Satoko Oki², Rajendar Chadha¹ (1.CSIR-NGRI, Hyderabad, 2.Keio University, Tokyo)

^○Hideyuki Shiroshita, Yuto Oka (Kansai University, Takatsuki, Japan)

^○Yiwen Tsao (Keio University, Tokyo, Japan)

^○Fuhsing Lee, Katsuya Yamori (Kyoto University,Kyoto,Japan)

^○Hideyuki Kobayashi¹, Atsushi Tanaka² (1.Meiji University, Tokyo, Japan, 2.The University of Tokyo, Tokyo ,Japan)

^○Nobuyuki Yamada¹, Kaoru Choji² (1.University of Teacher Education Fukuoka, Munakata, Japan, 2.Wakayama University, Wakayama, Japan)

^○Shusuke Irabu¹, Marino Protti², Victor Gonzalez², Douglas Salgado³ (1.Japan International Cooperation Agency, Tokyo, Japan, 2.Volcanological and Seismological Observatory of Costa Rica, National University of Costa Rica, Heredia, Costa Rica, 3.Costa Rica National Emergency Commission, San Jose, Costa Rica)

^○Yasuyuki Kano¹, Yuta Hashimoto¹, Ichiro Nakanishi¹, Junzo Ohmura², Tama Amano¹, Tomoyo Kuba¹, Haruno Sakai¹, Kazuyuki Ito¹, Yoko Odagi¹, Makiko Nishikawa³, Haruo Horikawa⁴, Kazuya Mizushima¹, Ryoichi Yasukuni⁵, Munehisa Yamamoto⁶ (1.Kyoto University, Kyoto, Japan, 2.Bukkyo University, Kyoto, Japan, 3.International Research Center for Japanese Studies, Kyoto, Japan, 4.National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, 5.Sumitomo Historical Archives, Kyoto, Japan, 6.Foundation of the Kamoagatanushi Clan, Kyoto, Japan)

^○Mario Luigi Rainone¹, Giovanna Vessia¹, Carla Weaver² (1."G. d'Annunzio" University of Chieti-Pescara, Italy, 2.Department of Geological Sciences, California State University, Long Beach (CA))

^○Kenji Hirata¹, Hiroyuki Fujiwara¹, Hiromitsu Nakamura¹, Masaki Osada¹, Tsuneo Ohsumi¹, Nobuyuki Morikawa¹, Shin'ichi Kawai¹, Takahiro Maeda¹, Hisanori Matsuyama², Nobuhiko Toyama², Tadashi Kito², Yo'ichi Murashima³, Yasuhiro Murata³, Takuya Inoue³, Ryu Saito³, Shin'ichi Akiyama⁴, Mariko Korenaga⁴, Yuta Abe⁴, Norihiko Hashimoto⁴, Tomoya Hakamata⁴ (1.NIED,Tsukuba,Japan, 2.OYO,Tsukuba,Japan, 3.KKC,Tokyo,Japan, 4.CTC,Tokyo,Japan)

^○Megumi Sugimoto^{1, 2}, Silvia Peppoloni³, Yandejia Song¹ (1.Kyushu University, Fukuoka, Japan, 2.International Association for Promoting Geoethics in Japan, Fukuoka, Japan, 3.International Association for Promoting Geoethics, Roma, Italy)