*Haruka Yoshida¹, Kyoko Kagohara², Toshifumi Imaizumi³ (1.Fukuoka Prefectural Yame High School, 2.Yamaguchi University, 3.Department of GeoEnvironmental Science, Graduate School of Science, Tohoku University)

*Hideaki Goto¹, Yasuhiro Kumahara¹, Takashi Nakata¹, Satoshi Ishiguro², Daisuke Ishimura³, Tatsuya Ishiyama⁴, Shinsuke Okada⁵, Kyoko Kagohara⁶, kashihara shintaro⁷, Heitaro Kaneda⁷, Nobuhiko Sugito⁸, Yasuhiro Suzuki⁹, Daishi Takenami¹⁰, Kei Tanaka¹¹, Tomoki Tanaka⁷, Hiroyuki Tsutsumi¹², Shinji Toda⁵, Daisuke Hirouchi¹³, Nobuhisa Matsuta¹⁰, Hikaru Moriki¹⁰, Haruka Yoshida¹⁴, Mitsuhisa Watanabe¹⁵ (1.Hiroshima University, 2.Aichi Institute of Technology, 3.Tokyo Metropolitan University, 4.University of Tokyo, 5.Tohoku University, 6.Yamaguchi University, 7.Chiba University, 8.Hosei University, 9.Nagoya University, 10.Okayama University, 11.Japan Map Center, 12.Kyoto University, 13.Shinshu University, 14.Fukuoka Prefectural Yame High School, 15.Toyo University)

*Nobuhiko Sugito¹, Hideaki Goto², Yasuhiro Kumahara³, Takashi Nakata⁴, Kyoko Kagohara⁵, Hiroyuki Tsutsumi⁶, Nobuhisa Matsuta⁷, Haruka Yoshida⁸ (1.Faculty of Humanity and Environment, Hosei University, 2.Graduate School of Letters, Hiroshima University, 3.Graduate School of Education, Hiroshima University, 4.Professor Emeritus, Hiroshima University, 5.Yamaguchi University, 6.Department of Geophysics, Graduate School of Science, Kyoto University, 7.Graduate School of Education, Okayama University, 8.Fukuoka Prefectural Yame High School)

*Hideaki Goto¹, Yasuhiro Kumahara¹, Takashi Nakata¹, Satoshi Ishiguro², Daisuke Ishimura³, Tatsuya Ishiyama⁴, Shinsuke Okada⁵, Kyoko Kagohara⁶, kashihara shintaro⁷, Heitaro Kaneda⁷, Nobuhiko Sugito⁸, Yasuhiro Suzuki⁹, Daishi Takenami¹⁰, Kei Tanaka¹¹, Tomoki Tanaka⁷, Hiroyuki Tsutsumi¹², Shinji Toda⁵, Daisuke Hirouchi¹³, Nobuhisa Matsuta¹⁰, Hikaru Moriki¹⁰, Haruka Yoshida¹⁴, Mitsuhisa Watanabe¹⁵ (1.Hiroshima University, 2.Aichi Institute of Technology, 3.Tokyo Metropolitan University, 4.University of Tokyo, 5.Tohoku University, 6.Yamaguchi University, 7.Chiba University, 8.Hosei University, 9.Nagoya University, 10.Okayama University, 11.Japan Map Center, 12.Kyoto University, 13.Shinshu University, 14.Fukuoka Prefectural Yame High School, 15.Toyo University)

*Nobuhiko Sugito¹, Hideaki Goto², Yasuhiro Kumahara³, Takashi Nakata⁴, Kyoko Kagohara⁵, Hiroyuki Tsutsumi⁶, Nobuhisa Matsuta⁷, Haruka Yoshida⁸ (1.Faculty of Humanity and Environment, Hosei University, 2.Graduate School of Letters, Hiroshima University, 3.Graduate School of Education, Hiroshima University, 4.Professor Emeritus, Hiroshima University, 5.Yamaguchi University, 6.Department of Geophysics, Graduate School of Science, Kyoto University, 7.Graduate School of Education, Okayama University, 8.Fukuoka Prefectural Yame High School)