*Ruiqing Zhang¹, Yan Wu¹, Lian Sun¹, Qingju Wu¹, Zhifeng Ding¹ (1.Institute of Geophysics, China Earthquake Administration)

*Ai-ti Chen¹, Chuan-chou Shen¹, Timothy B Byrne², Yuji Sano³, Naoto Takahata³, Tsanyao Frank Yang⁴, Cheng-Hong Chen⁴, Tsung-Kwei Liu⁴, Kuan-Yu Chen⁵, Yunshuen Wang⁶ (1.High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, Taipei, Taiwan, R.O.C., 2.Center for Integrative Geosciences, University of Connecticut, Storrs, CT 06269-1045, United States, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwanoha, Kashiwa, Chiba 277-8564, Japan, 4.Department of Geosciences, National Taiwan University, Taipei, Taiwan, R.O.C., 5.Industrial Technology Research Institute, Taipei, Taiwan, R.O.C., 6.Central Geological Survey, MOEA, Taipei, Taiwan, R.O.C.)

*Taiki Imamura¹, Hideki Mukoyoshi¹ (1.Department of Geoscience Interdisciplinary Graduate School of Science and Engineering, Shimane University)

*Anne Van Horne^1,2, Judith Hubbard³, Hiroshi Sato¹, Tetsuya Takeda⁴, Takaya Iwasaki¹ (1.Earthquake Research Institute, The University of Tokyo, Tokyo, Japan, 2.Department of Geology and Geophysics, University of Wyoming, Laramie, Wyoming USA , 3.Earth Observatory of Singapore, Nanyang Technological University, Singapore, 4.National Research Institute for Earth Science and Disaster Prevention (NIED), Tsukuba, Ibaraki, Japan)

*Masakazu Niwa¹, Koji Shimada¹ (1.Japan Atomic Energy Agency)

*Kazumasa Miura¹, Noriko Hasebe¹, Yoshihiro Ganzawa², Takahiro Tagami³, Aiming Lin³ (1.Kanazawa University, 2.Hokkaido University of Education, 3.Kyoto University)

*Masahiro Miyawaki¹, Jun-ichi Uchida¹ (1.Regulatory Standard and Research Department, Secretariat of Nuclear Regulation)

*Horst Zwingmann¹, Andreas Mulch², Takahiro Tagami¹ (1.Department of Geology and Mineralogy, Kyoto University, 606-8502 Kyoto, Japan, 2.Institute of Geoscience, Goethe University Frankfurt, 60438 Frankfurt, Germany and Biodiversity and Climate Research Centre (BiK-F) and Senckenberg Research Institute, 60325 Frankfurt, Germany)

*Kiriha Tanaka¹, Jun Muto¹, Yasuo Yabe², Toshitaka Oka³, Norihiro Nakamura³, Hiroyuki Nagahama¹ (1.Department of Geology, Graduate School of Science, Tohoku University, 2.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 3. Institute for Excellence in Higher Education, Tohoku University)

*Hideyuki Satoh¹, Yamashita Ichiro², Craig Annison³, Atusi NINOMIYA⁴, Akihiko Chiba⁴, Shirota Atsushi⁴, Aibe Sho⁴ (1.Secretariat of Nuclear Regulation Authority, Nuclear Regulation Authority, 2.Fugro Japan Co., Ltd., 3.CGG Aviation (Australia) Pty Ltd., 4.Sumiko Resources Exploration & Development Co., Ltd.)