*Naoto Ishikawa¹, Ryokei Yoshimura², Tesfaye Kidane¹¹, Shin-ichiro Higashino³, Shin-ichi Kagashima⁴, Nobutatsu Mochizuki⁶, Ameha A. Muluneh⁵, Kirika Kitagawa⁴, Mamoru Kadoya⁷, Noriaki Obara¹⁰, Yo-ichiro Otofuji⁹, Minoru Funaki, Tetsu Kogiso¹, Masakazu Fujii⁸ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Graduate School of Engineering, Kyushu University, 4.Yamagata University, 5.Addis Ababa University, 6.Kumamoto University, 7.X-TREME COMPOSITE JAPAN, 8.National Institute of Polar Research, 9.Japan Geochronology Network, 10.Robotista, 11.University of KwaZulu Natal)

*Noriko Kawamura¹, Naoto Ishikawa² (1.Japan Coast Guard Academy, 2.Graduate School of Human and Environmental Studies, Kyoto University)

*Naoto Ishikawa¹, Ryokei Yoshimura², Tesfaye Kidane¹¹, Shin-ichiro Higashino³, Shin-ichi Kagashima⁴, Nobutatsu Mochizuki⁶, Ameha A. Muluneh⁵, Kirika Kitagawa⁴, Mamoru Kadoya⁷, Noriaki Obara¹⁰, Yo-ichiro Otofuji⁹, Minoru Funaki, Tetsu Kogiso¹, Masakazu Fujii⁸ (1.Graduate School of Human and Environmental Studies, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Graduate School of Engineering, Kyushu University, 4.Yamagata University, 5.Addis Ababa University, 6.Kumamoto University, 7.X-TREME COMPOSITE JAPAN, 8.National Institute of Polar Research, 9.Japan Geochronology Network, 10.Robotista, 11.University of KwaZulu Natal)

*Noriko Kawamura¹, Naoto Ishikawa² (1.Japan Coast Guard Academy, 2.Graduate School of Human and Environmental Studies, Kyoto University)

*Silpa Ammini Sasidharan¹, Madhusoodhan Satish-Kumar², Naoto Ishikawa³, Krishnan Sajeev⁴ (1.Graduate School of Science and Technology, Niigata University, 2.Department of Geology, Faculty of Science, Niigata University, 3.Graduate School of Human and Environmental Studies, Kyoto University, Kyoto, Japan, 4.Centre for Earth Sciences, Indian Institute of Science, Bangalore, India)

*Ryokei Yoshimura¹, Naoto Ishikawa², Tesfaye Kidane³, Shin-ichi Kagashima⁴, Nobutatsu Mochizuki⁵, Ameha Atnafu Muluneh³, Kirika Kitagawa⁴, Taito Ikema⁶ (1.Disaster Prevention Research Institute, Kyoto University, 2.Graduate School of Human and Environmental Studies, Kyoto University, 3.Addis Ababa University, 4.Faculty of Science, Yamagata University, 5.Priority Organization for Innovation and Excellence, Kumamoto University, 6.Faculty of Science, Kyoto University)

*Ryokei Yoshimura¹, Naoto Ishikawa², Tesfaye Kidane³, Shin-ichi Kagashima⁴, Nobutatsu Mochizuki⁵, Ameha Atnafu Muluneh³, Kirika Kitagawa⁴, Taito Ikema⁶ (1.Disaster Prevention Research Institute, Kyoto University, 2.Graduate School of Human and Environmental Studies, Kyoto University, 3.Addis Ababa University, 4.Faculty of Science, Yamagata University, 5.Priority Organization for Innovation and Excellence, Kumamoto University, 6.Faculty of Science, Kyoto University)