*Hiroyuki Yamauchi¹, Takashi Oguchi², Yuichi S. Hayakawa^3,2, Toshikazu Seto² (1.Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.Environmental Geography, Faculty of Environmental Earth Science, Hokkaido University)

*Hitoshi SAITO^1,2, Shoichiro Uchiyama², Yuichi S. Hayakawa³, Hiroyuki Obanawa⁴ (1.Kanto Gakuin University, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Hokkaido University, 4.National Agriculture and Food Research Organization)

*Yuichi S. Hayakawa^1,2, Sahoko Aki², Jennifer Henbest de⁴, kubo takashi⁵, Noriko Kawabata⁵, Takuro Ogura^3,2 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Center for Spatial Information Science, The University of Tokyo, 3.Graduate School of Frontier Science, The University of Tokyo, 4.Osaka International School of Kwansei Gakuin, 5.Asahi Town, Toyama Prefecture)

*Yuichi S. Hayakawa^1,3, Takuro Ogura², Yasuhiko TAMURA³, Chiaki T. Oguchi⁴ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Frontier Sciences, The University of Tokyo, 3.Center for Spatial Information Science, The University of Tokyo, 4.Graduate School of Science and Engineering, Saitama University)

*Yuichi S. Hayakawa¹, Fumitoshi Imaizumi³, Norifumi Hotta², Ryoko Nishii⁴ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Agricultural and Life Sciences, The University of Tokyo, 3.Faculty of Agriculture, Shizuoka University, 4.Institute for Research Promotion, Niigata University)

*Yuichi S. Hayakawa¹, Shigekazu Kusumoto², Takuro Ogura^3,5, Toshiyasu Nagao⁴, Paul Karson B. Alanis⁶ (1.Faculty of Environmental Earth Science, Hokkaido University, Japan, 2.Graduate School of Science and Engineering for Research, University of Toyama, Japan, 3.Graduate School of Frontier Science, The University of Tokyo, Japan, 4.Institute of Oceanic Research and Development, Tokai University, Japan, 5.Graduate School of Environmental Science, Hokkaido University, Japan, 6.Philippine Institute of Volcanology and Seismology (PHIVOLCS), Department of Science and Technology, The Philippines)