Kevin Tu¹, *Lei Gong¹, Robert Hageboeck¹, Sotaro Kaneda¹, Guanru Zhang², Rui Sun³, Xiaoyan Ji⁴, Yunhao Sun⁵, Eroma Abeysinghe¹, Sudhakar Pamidighantam¹, chen zhu¹ (1. Indiana University (United States of America), 2. Chengdu University of Technology (China), 3. Northwest University (China), 4. Lulea University (Sweden), 5. Nanjing Tech University (China))

*Yuto Nishiki^1,2, Tsutomu Sato³, Samuel Abebe^1,4, Ryugo Kaneta¹, Ryosuke Kukuchi³, Tsubasa Otake³, Akira Ueda⁵ (1. Graduate School of Engineering, Hokkaido University (Japan), 2. National Institute of Advanced Industrial Science and Technology (Japan), 3. Faculty of Engineering, Hokkaido University (Japan), 4. Ethiopian Electric Power (Ethiopia), 5. Graduate School of Science and Engineering, University of Toyama (Japan))

*Yilong Yuan¹, Chenghao Zhong¹, Tianfu Xu¹ (1. Jilin University (China))

*Norio Yanagisawa¹ (1. AIST-GSJ (Japan))

*Huixing Zhu¹, Tianfu Xu¹, Bo Yang¹ (1. Jilin Univ. (China))

*Sakurako Satake¹, Heejun Yang¹, Yukiko Hoshino¹, Minoru Kusakabe¹, Hideki Kuramitz¹, Akira Ueda ¹, Kentaro Masuoka², Hisako Enomoto², Amane Terai³ (1. University of Toyama (Japan), 2. Taisei Corporation (Japan), 3. JOGMEC (Japan))

*Takashi Fujii¹, Masashige Shiga¹, Yasuki Oikawa¹, Xinglin Lei¹ (1. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (Japan))

*Masahiko Yagi¹, Tetsuya Tamagawa¹, Jiajie Wang², Noriaki Watanabe² (1. Japan Petroleum Exploration Co., Ltd (Japan), 2. Graduate School of Environmental Studies, Tohoku University (Japan))

*Jianmei Cheng¹, Yiming Luo¹, Mengting Xiao¹, Ying Yu¹ (1. School of Environmental Studies, China University of Geosciences (Wuhan) (China))

*Hiroyuki Yamagishi¹, Nobuo Hirano¹, Noriyoshi Tsuchiya^4,1, Edgar Armando Peña Figueroa², José Luis Henríquez³ (1. Tohoku University (Japan), 2. University of El Salvador (El Salvador), 3. LaGeo S.A. de C.V. (El Salvador), 4. National Institute of Technology, Hachinohe College (Japan))

*Saki Tsutsumi¹, Yumi Kiyota¹, Jun-Ichiro Ishibashi², Makoto Tanaka³ (1. WEST JEC (Japan), 2. Kobe Univ. (Japan), 3. JOGMEC (Japan))

*Dongyang Mao¹, Ryosuke Oochi¹, Jing Zhang¹, Heejun Yang¹, Sakurako Satake¹, Yukiko Hoshino¹, Minoru Kusakabe¹, Akira Ueda¹, Hideki Kuramitz¹, Kensuke Matsumoto², Hisae Kaneko², Amane Terai³ (1. university of Toyama (Japan), 2. Oku-Aizu Geothermal Co. Ltd (Japan), 3. Japan Organization for Metals and Energy Security (JOGMEC) (Japan))