*Kyohei KOBAYASHI¹, Mitsuhiro NAKAGAWA¹, Takeshi KURITANI¹, Shinya FUJIWARA² (1.Hokkaido University, 2.Kokusai Kogyo Co. Ltd.)

*Risa OKAMOTO¹, Takeshi HASHIMOTO¹, Ryo TANAKA¹ (1.Institute of Seismology and Volcanology, Graduate School of Science, Hokkaido University)

*Tsuyoshi MICHISHITA¹, Hiroaki NAGAYAMA¹, Masashi MIYAMOTO¹, Taro ANZAI¹, Yuji USUI¹, Makoto TAMURA², Noritoshi OKAZAKI², Jun'ichi MIYAMURA¹ (1.Sapporo Regional Headquarters, JMA, 2.Geological Survey of Hokkaido, HRO)

*Noritoshi IZAWA¹, Tsuyoshi MIYAMOTO² (1.Grad.Sci., Tohoku Univ., 2.CNEAS., Tohoku Univ.)

*Jun NAGAO¹, AND VOLCANOLOGY DEPARTMENT, Volcanology division SEISMOLOGY¹ (1.Japan Meteorological Agency)

*Tomoyoshi KUWAHARA¹, Akihiko TERADA¹, Wataru KANDA¹, Yasuo OGAWA¹ (1.Tokyo Institute of Technology)

*Ryosuke DOKE¹, Masatake HARADA¹, Yohei YUKUTAKE¹, Yasushi DAITA¹, Mikio SATOMURA¹ (1.Hot Springs Research Institute of Kanagawa Prefecture)

*Masakazu SAGO¹, Taisei SHIGEMURA², Ryo AOKI², Seigo OOKI², Takeshi OHBA² (1.Course of Chemistry, Graduate school of Science, Tokai University, 2.Course of Chemistry, School of Science, Tokai University)

*Kazuto SAIKI¹, Katsuya KANEKO², Romaric Ntchantcho³, Alain Fouepe³, Keisuke JOHROKU¹, Takeshi OHBA⁴, Gregory Tanyileke³, Joseph V. Hell³ (1.Osaka Univ., 2.Kyoto Univ., 3.IRGM, 4.Tokai Univ.)

*Toshifumi TAKASUKA¹, Koichiro FUJIMOTO¹, Kazutaka MANNEN² (1.Tokyo Gakugei University, 2.Hot Springs Research Institute of Kanagawa Prefecture)

*Tetsuya YAMAMOTO¹, Hiroyuki TAKAYAMA¹, Akimichi TAKAGI¹, Yutaka NAGAOKA¹, Kazuhiro KIMURA¹, Shin'ya ONIZAWA² (1.MRI, 2.JMA)

*Hiroyuki TAKAYAMA¹, Tetsuya YAMAMOTO¹, Shin'ya ONIZAWA² (1.MRI, 2.JMA)

*Takeshi NAITO¹, Keiko SUZUKI-KAMATA¹ (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kobe University)

*Tomozo ONO¹ (1.Japan Coast Guard)

*Keiichi FUKUI¹, Toshiyuki SAKURAI², Shinobu ANDO³ (1.Volcanology Research Department, Meteorological Research Institute, 2.Tokyo VAAC, Japan Meteorological Agency, 3.Seismology and Tsunami Research Department, Meteorological Research Institute)

*Masamichi NAKAMURA¹, AND VOLCANOLOGY DEPARTMENT, Volcanology division SEISMOLOGY¹ (1.Japan Meteorological Agency)

*Shohei NARITA¹, Makoto MURAKAMI² (1.Hokkaido University, 2.Institute of Seismology and Volcanology, Hokkaido Univ.)

*Ryuta FURUKAWA¹, Teruki OIKAWA¹ (1.Geological Survey of Japan, AIST)

Teruki OIKAWA¹, *Ryuta FURUKAWA¹ (1.GSJ/AIST)

*Takahiro MIWA¹, Masashi NAGAI¹, Ryohei KAWAGUCHI¹, Toshikazu TANADA¹ (1.NIED)

*Yutaka NAGAOKA¹, Koji KATO², Tetsuya YAMAMOTO¹, Hirofumi YOKOYAMA¹ (1.MRI, JMA, 2.JMA)

*Yoshihiro OTSUKA¹, Yoshiaki FUJIWARA¹ (1.Japan meteorological agency)

*Kazuki MIYAOKA¹, Takashi YOKOTA², Akimichi TAKAGI¹, Shin'ya ONIZAWA³ (1.Meteorological Research Institute, JMA, 2.Tokyo District Meteorological Observatory, 3.Japan Meteorological Agency)

*Kazuhiro KIMURA¹, Masaki NAKAHASHI² (1.Meteorological Research Institute, 2.Japan Meteorological Agency)

*Ryo HONDA¹, Toshiyuki TANAKA¹, Yosuke MIYAGI², Rikio MIYAJIMA¹ (1.TRIES, 2.NIED)

*Ryokei YOSHIMURA¹, Yasuaki OKADA¹, Ken'ichi YAMAZAKI¹ (1.Disaster Prevention Research Institute, Kyoto University)

*Takeshi MATSUSHIMA¹, Kodo UMAKOSHI², Hiroshi SHIMIZU¹, Satoshi MATSUMOTO¹, Koki AIZAWA¹, Megumi KAMIZONO¹ (1.SEVO, Kyushu Univ., 2.Fac. of Environmental Studies, Nagasaki Univ.)

Hideyuki HIRAMATSU¹, Hideho INOUE¹, Shinichi MATSUSUE¹, *Koji KATO² (1.Fukuoka Regional Headquarters, JMA, 2.Japan Meteorological Agency)

*Takahiro OHKURA¹, Shin YOSHIKAWA¹, Hiroyuki INOUE¹ (1.AVL, Kyoto Univ.)

*Takanori MATSUZAWA¹, Takumi MATSUMOTO¹, Toshikazu TANADA¹ (1.National Research Institute for Earth Science and Disaster Prevention)

*Misa ICHIMURA¹, Akihiko YOKOO¹, Tsuneomi KAGIYAMA¹, Takahiro OHKURA¹, Shin YOSHIKAWA¹, Hiroyuki INOUE¹ (1.Graduate School of Science, Kyoto University)

*Mitsuru UTSUGI¹, Takahiro OHKURA¹, Akihiko YOKOO¹, Tsuneomi KAGIYAMA¹ (1.Kyoto Univ.)

*Mie ICHIHARA¹, Satoshi MATSUMOTO² (1.Earthquake Research Institute, University of Tokyo, 2.Institute of Seismology and Volcanology, Kyushu University)

Kazuna KONDO¹, *Toshiro YAMANAKA¹, Urumu TSUNOGAI², Hiroshi TAKAHASHI³, Tomoko YAMAMOTO⁴ (1.Okayama University, 2.Nagoya University, 3.AIST, 4.Kagoshima University)

*Keigo YAMAMOTO¹, Shin YOSHIKAWA², Takeshi MATSUSHIMA³, Takahiro OHKURA², Akihiko YOKOO², Hiroyuki INOUE², Taketoshi MISHIMA², Kazunari UCHIDA³, Tadaomi SONODA¹, Kenjiro SEKI¹, Shintaro KOMATSU¹, Kohei HOTTA², Shiori FUJITA³ (1.Disaster Prevention Research Institute, Kyoto University, 2.Graduate School of Science, Kyoto University, 3.Faculty of Sciences, Kyushu University)

*Hiroshi YAKIWARA¹, Shuichiro HIRANO¹, Hiroki MIYAMACHI¹, Tetsuro TAKAYAMA², Nobuo ICHIKAWA², Takeshi TAMEGURI², Masato IGUCHI² (1.GSE, Kagoshima Univ., 2.SVRC, DPRI, Kyoto Univ.)

*Yuta MAEDA¹, Koshun YAMAOKA¹, Hiroki MIYAMACHI², Toshiki WATANABE³, Takahiro KUNITOMO¹, Ryoya IKUTA⁴, Masato IGUCHI⁵ (1.Nagoya University, 2.Kagoshima University, 3.The University of Tokyo, 4.Shizuoka University, 5.Kyoto University)

Takashi HIROSE¹, *Hisashi NAKAHARA¹, Takeshi NISHIMURA¹ (1.Graduate School of Science, Tohoku University)

*Shinobu ANDO¹, Yuji MIURA², Toshiyuki MATSUMORI² (1.MRI, 2.JMA)

*Akimichi TAKAGI¹, Kenji FUJIWARA², Takahiro OHKURA³, LUIS, Jr, artemio C.⁴, BALOLOY, Alejo V.⁴, Shinobu ANDO¹, Eduardo Laguerta⁴, BORNAS, Ma. antonia V.⁴ (1.Meteorological Research Institute, 2.Japan Meteorological Agency, 3.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto, 4.PHIVOLCS)

*Yukiko FURUYA¹, Haruka UESHIBA¹, Mitsugu YOSHIOKA¹, Tsugunori NARITA¹, Shigeyuki MURAYAMA², Minenori TAKEYAMA², Hideaki FUKUMORI² (1.GSI of Japan, 2.Techno Vanguard Corporation)