*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)

*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)