*Kanako Fujiwara¹, Tsuyoshi Hattanji², Takuro Ogura³, Taku Morimoto⁴ (1. Graduate School of Science and Technology, University of Tsukuba, 2. Institute of Life and Environmental Sciences, University of Tsukuba, 3. Graduate School of Social Sciences, Hitotsubashi University, 4. The Council of Unzen Volcanic Area Geopark)

*Yuri Akiba¹, Yasuhiro Ishimine¹ (1. Mount Fuji Research Institute)

*Kazuya Okada¹, Tsuyoshi Hattanji², Taiyo Kajita⁵, Takuro Ogura³, Shoji Doshida⁴ (1. Graduate School of Science and Technology, Degree Programs in Life and Earth Science, University of Tsukuba, 2. Faculty of Life Enviormental Science, University of Tsukuba, 3. Graduate School of Social Sciences, Hitotsubashi University, 4. National Research Institute of Fire and Disaster, 5. OYO corporation)

*Tomohiro Takai¹, Tsuyoshi Hattanji¹ (1. University of Tsukuba)

*Atsushi Ikeda¹, Kyohei Kamakura² (1. University of Tsukuba, 2. Graduate School of Science and Technology, University of Tsukuba)

*Yoshinori Kodama¹, Sakura Matsushima, Maino Umehara, Hiral PB², Trishit Ruj² (1. Faculty of Agriculture, Tottori University, 2. Institute for Planetary Materials, Okayama University)