論文・学会発表

8月 19, 2022

論文

2022

Phreatic volcanic eruption preceded by observable shallow groundwater flow at Iwo-Yama, Kirishima Volcanic Complex, Japan
Koki Aizawa, Dan Muramatsu, Takeshi Matsushima, Takao Koyama, Makoto Uyeshima, Shigeru Nakao
Commun Earth Environ, 3, 187, 2022
Spatial and temporal stress field changes in the focal area of the 2016 Kaikōura earthquake, New Zealand: A multi-fault process interpretation
Miu Matsuno, Ayaka Tagami, Tomomi Okada, Satoshi Matsumoto, Yuta Kawamura, Yoshihisa Iio, Tadashi Sato, Takashi Nakayama, Satoshi Hirahara, Stephen Bannister, John Ristau, Martha K. Savage, Clifford H. Thurber, Richard H. Sibson
Tectonophysics, 835, 229390, 2022
Transient conduit permeability controlled by a shift between compactant shear and dilatant rupture at Unzen volcano (Japan)
Yan Lavallée, Takahiro Miwa, James D. Ashworth, Paul A. Wallace, Jackie E. Kendrick, Rebecca Coats, Anthony Lamur, Adrian Hornby, Kai Uwe Hess, Takeshi Matsushima, Setsuya Nakada, Hiroshi Shimizu, Bernhard Ruthensteiner, Hugh Tuffen
Solid Earth, 13, 875–900, 2022
Surface eruptive dynamics of 2018 small phreatic eruption of Iwo-Yama volcano, Japan: Constraints from seismo-acoustic observation and mud suspension rheology
Dan Muramatsu, Mie Ichihara, Takeshi Matsushima, Osamu Kuwano, Yasuhisa Tajima
Journal of Volcanology and Geothermal Research, 421, 107452, 2022
Development of a detection method for short-term slow slip events using GNSS data and its application to the Nankai subduction zone
Yutaro Okada, Takuya Nishimura, Takao Tabei, Takeshi Matsushima, Hitoshi Hirose
Earth, Planets and Space, 74, 18, 2022
Infrasound–Electric-Field Coupling Associated With the 2018 Shinmoe-Dake Eruptions, Kirishima Volcanic Complex, Japan
Satoru Aniya, Koki Aizawa, Takeshi Matsushima
Geophysical Research Letters, 49, e2021GL096555, 2022

2021

Magmatic fluid pathways in the upper crust: Insights from dense magnetotelluric observations around the Kuju Volcanoes, Japan
Koki Aizawa, Mitsuru Utsugi, Keigo Kitamura, Takao Koyama, Makoto Uyeshima, Nobuo Matsushima, Shinichi Takakura, Haruhiro Inagaki, Hiroki Saito, Yasuhiro Fujimitsu
Geophysical Journal International, 228, 755-772, 2021
Seismic velocity structure of Unzen Volcano, Japan, and relationship to the magma ascent route during eruptions in 1990–1995
Kanta Miyano, Koki Aizawa, Takeshi Matsushima, Azusa Shito, Hiroshi Shimizu
Scientific reports, 11, 22407, 2021
Potential of megathrust earthquakes along the southern Ryukyu Trench inferred from GNSS data
Masayuki Kano, Aoi Ikeuchi, Takuya Nishimura, Shin’ichi Miyazaki, Takeshi Matsushima
Earth, Planets and Space, 73, 199, 2021
Stress relaxation arrested the mainshock rupture of the 2016 Central Tottori earthquake
Yoshihisa Iio, Satoshi Matsumoto, Yusuke Yamashita, Shin’ichi Sakai, Kazuhide Tomisaka, Masayo Sawada, Takashi Iidaka, Takaya Iwasaki, Megumi Kamizono, Hiroshi Katao, Aitaro Kato, Eiji Kurashimo, Yoshiko Teguri, Hiroo Tsuda, Takashi Ueno
Communications Earth & Environment , 2, 156, 2021
Hydrothermal and Magmatic System of a Volcanic Island Inferred From Magnetotellurics, Seismicity, Self-potential, and Thermal Image: An Example of Miyakejima (Japan)
Marceau Gresse, Makoto Uyeshima, Takao Koyama, Hideaki Hase, Koki Aizawa, Yusuke Yamaya, Yuichi Morita, Derek Weller, Tawat Rung-Arunwan, Takayuki Kaneko, Yoichi Sasai, Jacques Zlotnicki, Tsuneo Ishido, Hideki Ueda, Maki Hata
Journal of Geophysical Research: Solid Earth, 126, e2021JB022034, 2021
Electrical Resistivity Structure Around the Atotsugawa Fault, Central Japan, Revealed by a New 2-D Inversion Method Combining Wideband-MT and Network-MT Data Sets
Yoshiya Usui, Makoto Uyeshima, Tsutomu Ogawa, Ryokei Yoshimura, Naoto Oshiman, Satoru Yamaguchi, Hiroaki Toh, Hideki Murakami, Koki Aizawa, Toshiya Tanbo, Yasuo Ogawa, Tadashi Nishitani, Shin ‘ya Sakanaka, Masaaki Mishina, Hideyuki Satoh, Tada nori Goto, Takafumi Kasaya, Toru Mogi, Yusuke Yamaya, Ichiro Shiozaki, Yoshimori Honkura
Journal of Geophysical Research: Solid Earth, 126, e2020JB020904, 2021
Electrical conductive fluid-rich zones and their influence on the earthquake initiation, growth, and arrest processes: observations from the 2016 Kumamoto earthquake sequence, Kyushu Island, Japan
Koki Aizawa, Shinichi Takakura, Hisafumi Asaue, Katsuaki Koike, Ryokei Yoshimura, Ken’ichi Yamazaki, Shintaro Komatsu, Mitsuru Utsugi, Hiroyuki Inoue, Kaori Tsukamoto, Makoto Uyeshima, Takao Koyama, Wataru Kanda, Tohru Yoshinaga, Nobuo Matsushima, Kazunari Uchida, Yuko Tsukashima, Takeshi Matsushima, Hiroshi Ichihara, Dan Muramatsu
Earth, Planets and Space, 73, , 2021
Reconstructing surface eruptive sequence of 2018 small phreatic eruption of Iwo-yama volcano, Kirishima Volcanic Complex, Japan, by infrasound cross-correlation analysis
Dan Muramatsu, Takeshi Matsushima, Mie Ichihara
Earth, Planets and Space, 73, 8, 2021
Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (M JMA = 6.7)
the Group for the Aftershock Observations of the 2018 Hokkaido Eastern Iburi Earthquake
Earth, Planets and Space , 73, 1, 2021
Stress and pore fluid pressure control of seismicity rate changes following the 2016 Kumamoto earthquake, Japan Version 2021125
Kodai Nakagomi, Toshiko Terakawa, Satoshi Matsumoto, Shinichiro Horikawa
Earth, Planets and Space, 73, 11, 2021

2020

Rigid migration of Unzen lava rather than flow
Akio Goto, Keiichi Fukui, Takehiko Hiraga, Yasunori Nishida, Hidemi Ishibashi, Takeshi Matsushima, Tsuyoshi Miyamoto, Osamu Sasaki
Journal of Volcanology and Geothermal Research, 407, 107073, 2020
Joint seismological–magnetotelluric investigation of shallow and implosive non-DC and DC earthquakes beneath the gravitationally unstable Heisei-Shinzan Lava Dome, Unzen Volcano, Japan
Tasuku M. Hashimoto, Koki Aizawa, Yuto Hayashida, Yuhei Yuasa, Takeshi Matsushima, Yuto Yamamoto, Kaori Tsukamoto, Kanta Miyano, Satoshi Matsumoto, Hiroshi Shimizu
Journal of Volcanology and Geothermal Research, 406, 107066, 2020
Spatio-temporal analysis of seismic anisotropy associated with the Cook Strait and Kaikōura earthquake sequences in New Zealand
Kenny M. Graham, Martha K. Savage, Richard Arnold, Hubert J. Zal, Tomomi Okada, Yoshihisa Iio, Satoshi Matsumoto
Geophysical Journal International, 223, 1987–2008, 2020
Spatiotemporal Change in the Stress State Around the Hypocentral Area of the 2016 Kumamoto Earthquake Sequence
Ayaho Mitsuoka, Azusa Shito, Satoshi Matsumoto, Yusuke Yamashita, Manami Nakamoto, Shin ichi Sakai, Yoshihisa Iio, Hiroshi Shimizu, Kazuhiko Goto, Tomomi Okada, Mako Ohzono, Yoshiko Yamanaka, Masahiro Kosuga, Masayuki Yoshimi, Youichi Asano
Journal of Geophysical Research: Solid Earth, 125, e2019JB018515, 2020
Three-dimensional electrical resistivity structure of the Kuju volcanic group, Central Kyushu, Japan revealed by magnetotelluric survey data
Sabry Abdallah, Mitsuru Utsugi, Koki Aizawa, Makoto Uyeshima, Wataru Kanda, Takao Koyama, Taro Shiotani
Journal of Volcanology and Geothermal Research, 400, 206898, 2020
3-D Intrinsic and Scattering Seismic Attenuation Structures Beneath Kyushu, Japan
A. Shito, S. Matsumoto, T. Ohkura, H. Shimizu, S. Sakai, Y. Iio, H. Takahashi, H. Yakiwara, T. Watanabe, M. Kosuga, T. Okada, M. Yoshimi, Y. Asano
Journal of Geophysical Research: Solid Earth, 125, e2019JB018742, 2020
Inelastic strain in the hypocentral region of the 2000 Western Tottori earthquake (M 7.3) inferred from aftershock seismic moment tensors
Satoshi Matsumoto, Yoshihisa Iio, Shinichi Sakai, Aitaro Kato
Earth, Planets and Space, 72, 62, 2020
Shallow magmatic hydrothermal eruption in april 2018 on ebinokogen ioyama volcano in kirishima volcano group, Kyushu, Japan
Yasuhisa Tajima, Setsuya Nakada, Fukashi Maeno, Toshio Huruzono, Masaaki Takahashi, Akihiko Inamura, Takeshi Matsushima, Masashi Nagai, Jun Funasaki
Geosciences, 10, 183, 2020
Stationarity of aftershock activities of the 2016 Central Tottori Prefecture earthquake revealed by dense seismic observation
Yoshihisa Iio, Satoshi Matsumoto, Yusuke Yamashita, Shin’ichi Sakai, Kazuhide Tomisaka, Masayo Sawada, Takashi Iidaka, Takaya Iwasaki, Megumi Kamizono, Hiroshi Katao, Aitaro Kato, Eiji Kurashimo, Yoshiko Teguri, Hiroo Tsuda, Takashi Ueno
Earth, Planets and Space, 72, 42, 2020
The advancement of research on inland earthquake generation 2014–2018
Satoshi Matsumoto, Tomomi Okada, Toshiko Terakawa, Makoto Uyeshima, Yoshihisa Iio
Journal of Disaster Research, 15, 96-105, 2020
Non-Double-Couple Microearthquakes in the Focal Area of the 2000 Western Tottori Earthquake (M 7.3) via Hyperdense Seismic Observations
Yuto Hayashida, Satoshi Matsumoto, Yoshihisa Iio, Shin’ich Sakai, Aitaro Kato
Geophysical Research Letters, 47, e2019GL084841, 2020
Inelastic strain rate and stress fields in and around an aseismic zone of Kyushu Island, Japan, inferred from seismic and GNSS data
Y. Yuasa, S. Matsumoto, S. Nakao, T. Matsushima, T. Ohkura
Geophysical Journal International, 221, 289–304, 2020