Researcher Information
researchmap URL
Research History
- Jul. 2021 - Present
Japan Agency for Marine-Earth Science and Technology, 海域地震火山部門, 主任研究員 - Apr. 2020 - Jun. 2021
Japan Agency for Marine-Earth Science and Technology, 海域地震火山部門, 副主任研究員 - Apr. 2011 - Mar. 2020
Japan Agency for Marine-Earth Science and Technology, Research Scientist - Apr. 2019 - Sep. 2019
Shizuoka University, 非常勤講師 兼職 - Apr. 2008 - Mar. 2011
The University of Tokyo, Earthquake Research Institute, 日本学術振興会 特別研究員PD - Apr. 2007 - Mar. 2011
University of Tokyo, Earthquake Research Institute, JSPS postdoctoral researcher - Apr. 2007 - Mar. 2008
The University of Tokyo, Earthquake Research Institute, 日本学術振興会 特別研究員DC1 - Apr. 2005 - Mar. 2007
Nagoya University, 環境学研究科地球環境科学専攻, 日本学術振興会特別研究員DC1
Education
- Apr. 2005 - Mar. 2007, Nagoya University, Doctor
- Apr. 2005 - Mar. 2007, Nagoya University, 環境学研究科 地球環境科学専攻, 博士後期課程
- Apr. 2003 - Mar. 2005, Nagoya University, Master
- Apr. 2003 - Mar. 2005, Nagoya University, 環境学研究科 地球環境科学専攻, 博士前期課程
- Apr. 1999 - Mar. 2003, Nagoya University, Bachelor
- Apr. 1999 - Mar. 2003, Nagoya University, School of Science
- Apr. 1996 - Mar. 1999, 大阪府立大手前高等学校
Research activity information
Papers
- Takashi Tonegawa; Ryuta, Arai; Kazuya Shiraishi; Takeshi Akuhara
Seismological Structure Around Source Regions of Slow Earthquakes at the Shallow Plate Interface in the Nankai Trough
地震, Oct. 2025
78, 187, 198
[Reviewed]
Lead - Hou-Sheng Cheng; Emmy T. Chang; Takashi Tonegawa; Justin Y.T. Ko; Yuancheng Gung
Insights into infragravity waves in the Pacific Ocean derived from DONET observations
Global and Planetary Change, Aug. 2025
251, 104810, 104810 - Takashi Tonegawa; Takeshi Akuhara; Yusuke Yamashita; Hiroko Sugioka; Masanao Shinohara; Shunsuke Takemura; Takeshi Tsuji
Accretionary prism deformation and fluid migration caused by slow earthquakes in the Nankai subduction zone
Solid Earth, 30 Jun. 2025
16, 6, 579, 592 - Ching-Yu Hu; Masanao Shinohara; Yusuke Yamashita; Takashi Tonegawa; Tomoaki Yamada; Takeshi Akuhara; Kimihiro Mochizuki
Seismic activity around shallow plate boundary near westernmost Nankai Trough revealed by ocean bottom seismometer observation
Earth, Planets and Space, 23 Dec. 2024
76, 1 - Kiwamu Nishida; Mie Ichihara; Tatsuya Kubota; Takashi Tonegawa
Ocean Surface Gravity Waves Excited by the 2022 Eruption of Hunga Tonga‐Hunga Ha'apai Volcano
Geophysical Research Letters, 03 Oct. 2024
51, 19 - Takashi Tonegawa; Katsuhiko Shiomi; Ryota Takagi
Anisotropic structure at shallow depths across the Japan Trench
Earth, Planets and Space, 30 Aug. 2024
76, 1 - Takeshi Akuhara; Kazuya Shiraishi; Takeshi Tsuji; Yusuke Yamashita; Hiroko Sugioka; Atikul Farazi; Shukei Ohyanagi; Yoshihiro Ito; Ryuta Arai; Eiichiro Araki; Gou Fujie; Yasuyuki Nakamura; Takashi Tonegawa; Ryosuke Azuma; Ryota Hino; Kimihiro Mochizuki; Shunsuke Takemura; Tomoaki Yamada; Masanao Shinohara
Geometrical barrier determines the updip limit of slow earthquake slip
14 Aug. 2024 - T. Tonegawa; E. Araki
High‐Frequency Tsunamis Excited Near Torishima Island, Japan, Observed by Distributed Acoustic Sensing
Geophysical Research Letters, 06 Jun. 2024
51, 11
[Reviewed] - Shunsuke Takemura; Yohei Hamada; Hanaya Okuda; Yutaro Okada; Kurama Okubo; Takeshi Akuhara; Akemi Noda; Takashi Tonegawa
A review of shallow slow earthquakes along the Nankai Trough
Earth, Planets and Space, 18 Oct. 2023
75, 164
[Reviewed], [Invited] - Takashi Tonegawa; Yoshio Fukao
Mesospheric pressure source from the 2022 Hunga, Tonga eruption excites 3.6-mHz air-sea coupled waves
Science Advances, 28 Jun. 2023
9, 26
[Reviewed]
Lead - T. Tonegawa; R. Takagi; K. Sawazaki; K. Shiomi
Short‐Term and Long‐Term Variations in Seismic Velocity at Shallow Depths of the Overriding Plate West of the Japan Trench
Journal of Geophysical Research: Solid Earth, Jan. 2023
128, 1 - Daisuke Suetsugu; Masayuki Obayashi; Takashi Tonegawa; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Takehi Isse; Yasushi Ishihara; Satoru Tanaka; Junko Yoshimitsu
Nature of mantle discontinuities beneath the Ontong Java Plateau
Physics of the Earth and Planetary Interiors, Nov. 2022
334, 106969, 106969
[Reviewed] - Takashi Tonegawa; Shunsuke Takemura; Suguru Yabe; Kiyoshi Yomogida
Fluid Migration Before and During Slow Earthquakes in the Shallow Nankai Subduction Zone
Journal of Geophysical Research: Solid Earth, Mar. 2022
127, 3 - T. Tonegawa; E. Araki; H. Matsumoto; T. Kimura; K. Obana; G. Fujie; R. Arai; K. Shiraishi; M. Nakano; Y. Nakamura; T. Yokobiki; S. Kodaira
Extraction of P Wave From Ambient Seafloor Noise Observed by Distributed Acoustic Sensing
Geophysical Research Letters, 28 Feb. 2022
49, 4 - Masayuki Obayashi; Junko Yoshimitsu; Daisuke Suetsugu; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Takehi Isse; Yasushi Ishihara; Satoru Tanaka; Takashi Tonegawa
Interrelation of the stagnant slab, Ontong Java Plateau, and intraplate volcanism as inferred from seismic tomography
Scientific Reports, Dec. 2021
11, 1 - Takashi Tonegawa; Toshinori Kimura; Kazuya Shiraishi; Suguru Yabe; Yoshio Fukao; Eiichiro Araki; Masataka Kinoshita; Yoshinori Sanada; Seiichi Miura; Yasuyuki Nakamura; Shuichi Kodaira
Correction to: Weak faults at megathrust plate boundary respond to tidal stress (Earth, Planets and Space, (2021), 73, 1, (89), 10.1186/s40623-021-01414-3)
Earth, Planets and Space, Dec. 2021
73, 1 - Takehi Isse; Daisuke Suetsugu; Akira Ishikawa; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Yuki Kawano; Kazunori Yoshizawa; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu
Seismic evidence for a thermochemical mantle plume underplating the lithosphere of the Ontong Java Plateau
Communications Earth & Environment, Dec. 2021
2, 1 - Hiroyuki Matsumoto; Eiichiro Araki; Toshinori Kimura; Gou Fujie; Kazuya Shiraishi; Takashi Tonegawa; Koichiro Obana; Ryuta Arai; Yuka Kaiho; Yasuyuki Nakamura; Takashi Yokobiki; Shuichi Kodaira; Narumi Takahashi; Robert Ellwood; Victor Yartsev; Martin Karrenbach
Detection of hydroacoustic signals on a fiber-optic submarine cable
Scientific Reports, Dec. 2021
11, 1 - Tatsuya Kubota; Tatsuhiko Saito; Yoshio Fukao; Hiroko Sugioka; Aki Ito; Takashi Tonegawa; Hajime Shiobara; Mikiya Yamashita
Earthquake Rupture and Tsunami Generation of the 2015 M w 5.9 Bonin Event Revealed by In Situ Pressure Gauge Array Observations and Integrated Seismic and Tsunami Wave Simulation
Geophysical Research Letters, 28 Nov. 2021
48, 22 - Yoshio Fukao; Tatsuya Kubota; Hiroko Sugioka; Aki Ito; Takashi Tonegawa; Hajime Shiobara; Mikiya Yamashita; Tatsuhiko Saito
Detection of “Rapid” Aseismic Slip at the Izu‐Bonin Trench
Journal of Geophysical Research: Solid Earth, Sep. 2021
126, 9 - Yuya Akamatsu; Ikuo Katayama; Takashi Tonegawa
Changes in elastic wave velocity during brittle deformation of gabbro and peridotite: Implications for oceanic Moho reflectivity
Earth and Planetary Science Letters, 15 Aug. 2021
568 - Takashi SANO; Maria Luisa; G. TEJADA; Masao NAKANISHI; Takeshi HANYU; Seiichi MIURA; Daisuke SUETSUGU; Takashi TONEGAWA; Akira ISHIKAWA; Kenji SHIMIZU; Shoka SHIMIZU
Testing the Ontong Java Nui Hypothesis: The Largest Supervolcano Ever on Earth
Journal of Geography（Chigaku Zasshi）, Aug. 2021
130, 4, 559, 584
[Reviewed], [Invited] - Takashi Tonegawa; Toshinori Kimura; Kazuya Shiraishi; Suguru Yabe; Yoshio Fukao; Eiichiro Araki; Masataka Kinoshita; Sanada Yoshinori; Seiichi Miura; Yasuyuki Nakamura; Shuichi Kodaira
Weak faults at megathrust plate boundary respond to tidal stress
EARTH PLANETS AND SPACE, Apr. 2021
73, 1 - Suguru Yabe; Satoru Baba; Takashi Tonegawa; Masaru Nakano; Shunsuke Takemura
Seismic energy radiation and along-strike heterogeneities of shallow tectonic tremors at the Nankai Trough and Japan Trench
Tectonophysics, Feb. 2021
800, 228714, 228714 - Takashi Tonegawa; Toshinori Kimura; Eiichiro Araki
Near-Field Body-Wave Extraction From Ambient Seafloor Noise in the Nankai Subduction Zone
FRONTIERS IN EARTH SCIENCE, Jan. 2021
8 - Yuki Kawano; Takehi Isse; Akiko Takeo; Hitoshi Kawakatsu; Daisuke Suetsugu; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu
Persistent Long‐Period Signals Recorded by an OBS Array in the Western‐Central Pacific: Activity of Ambrym Volcano in Vanuatu
Geophysical Research Letters, 16 Oct. 2020
47, 19 - Takashi Tonegawa; Yusuke Yamashita; Tsutomu Takahashi; Masanao Shinohara; Yasushi Ishihara; Shuichi Kodaira; Yoshiyuki Kaneda
Spatial relationship between shallow very low frequency earthquakes and the subducted Kyushu-Palau Ridge in the Hyuga-nada region of the Nankai subduction zone
Geophysical Journal International, 01 Sep. 2020
222, 3, 1542, 1554 - Takeshi Akuhara; Takeshi Tsuji; Takashi Tonegawa
Overpressured Underthrust Sediment in the Nankai Trough Forearc Inferred From Transdimensional Inversion of High‐Frequency Teleseismic Waveforms
Geophysical Research Letters, 16 Aug. 2020
47, 15 - Daisuke Suetsugu; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Takehi Isse; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu; Takumi Kobayashi
High QScS beneath the Ontong Java Plateau
Earth, Planets and Space, Dec. 2019
71, 1 - Ito Aki; Tonegawa Takashi; Uchida Naoki; Yamamoto Yojiro; Suetsugu Daisuke; Hino Ryota; Sugioka Hiroko; Obana Koichiro; Nakahigashi Kazuo; Shinohara Masanao
Configuration and structure of the Philippine Sea Plate off Boso, Japan: constraints on the shallow subduction kinematics, seismicity, and slow slip events
Earth, Planets and Space, 25 Oct. 2019
71, 1, 111, 111
[Reviewed] - Suetsugu Daisuke; Shiobara Hajime; Sugioka Hiroko; Ito Aki; Isse Takehi; Ishihara Yasushi; Tanaka Satoru; Obayashi Masayuki; Tonegawa Takashi; Yoshimitsu Junko; Kobayashi Takumi
High Q(ScS) beneath the Ontong Java Plateau
Earth, Planets and Space, 06 Sep. 2019
71, 1, 97, 97
[Reviewed] - Tonegawa, T; Miura, S; Ishikawa, A; Sano, T; Suetsugu, D; Isse, T; Shiobara, H; Sugioka, H; Ito, A; Ishihara, Y; Tanaka, S; Obayashi, M; Yoshimitsu, J; Kobayashi, T
Characterization of Crustal and Uppermost-Mantle Seismic Discontinuities in the Ontong Java Plateau
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Jul. 2019
124, 7, 7155, 7170
[Reviewed] - Shunsuke Takemura; Takanori Matsuzawa; Akemi Noda; Takashi Tonegawa; Youichi Asano; Takeshi Kimura; Katsuhiko Shiomi
Structural Characteristics of the Nankai Trough Shallow Plate Boundary Inferred From Shallow Very Low Frequency Earthquakes
GEOPHYSICAL RESEARCH LETTERS, Apr. 2019
46, 8, 4192, 4201
[Reviewed] - Yabe Suguru; Tonegawa Takashi; Nakano Masaru
Scaled Energy Estimation for Shallow Slow Earthquakes
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Feb. 2019
124, 2, 1507, 1519
[Reviewed] - Obana, K; Fujie, G; Takahashi, T; Yamamoto, Y; Tonegawa, T; Miura, S; Kodaira, S
Seismic velocity structure and its implications for oceanic mantle hydration in the trench–outer rise of the Japan Trench
Geophysical Journal International, Jan. 2019
217, 3, 1629, 1642
[Reviewed] - Masaru Nakano; Mamoru Hyodo; Ayako Nakanishi; Mikiya Yamashita; Takane Hori; Shin-ichiro Kamiya; Kensuke Suzuki; Takashi Tonegawa; Shuichi Kodaira; Narumi Takahashi; Yoshiyuki Kaneda
The 2016 Mw 5.9 earthquake off the southeastern coast of Mie Prefecture as an indicator of preparatory processes of the next Nankai Trough megathrust earthquake
Progress in Earth and Planetary Science, 01 Dec. 2018
5, 1
[Reviewed] - Takemura Shunsuke; Kubo Hisahiko; Tonegawa Takashi; Saito Tatsuhiko; Shiomi Katsuhiko
Modeling of Long-Period Ground Motions in the Nankai Subduction Zone: Model Simulation Using the Accretionary Prism Derived from Oceanfloor Local S-Wave Velocity Structures
PURE AND APPLIED GEOPHYSICS, Oct. 2018
176, 2, 627, 647
[Reviewed] - Tonegawa, T; Obana, K; Fujie, G; Kodaira, S
Lateral variation of the uppermost oceanic plate in the outer-rise region of the Northwest Pacific Ocean inferred from Po-to-s converted waves
Earth, Planets and Space, 03 Jul. 2018
70, 106
[Reviewed], [Invited] - Shunsuke Takemura; Takanori Matsuzawa; Takeshi Kimura; Takashi Tonegawa; Katsuhiko Shiomi
Centroid Moment Tensor Inversion of Shallow Very Low Frequency Earthquakes Off the Kii Peninsula, Japan, Using a Three-Dimensional Velocity Structure Model
GEOPHYSICAL RESEARCH LETTERS, Jul. 2018
45, 13, 6450, 6458
[Reviewed] - T. Tonegawa; Y. Fukao; H. Shiobara; H. Sugioka; A. Ito; M. Yamashita
Excitation Location and Seasonal Variation of Transoceanic Infragravity Waves Observed at an Absolute Pressure Gauge Array
Journal of Geophysical Research: Oceans, 01 Jan. 2018
123, 1, 40, 52
[Reviewed] - Suetsugu Daisuke; Ishihara Yasushi; Tanaka Satoru; Obayashi Masayuki; Tonegawa Takashi; Yoshimitsu Junko; Kobayashi Takumi; Utada Hisashi; Shiobara Hajime; Sugioka Hiroko; Tada Noriko; Ito Aki; Isse Takehi; Baba Kiyoshi; Ichihara Hiroshi; Ota Toyonobu
The OJP array: seismological and electromagnetic observation on seafloor and islands in the Ontong Java Plateau
JAMSTEC Report of Research and Development, 2018
26, 0, 54, 64 - Takashi Tonegawa; Eiichiro Araki; Toshinori Kimura; Takeshi Nakamura; Masaru Nakano; Kensuke Suzuki
Sporadic low-velocity volumes spatially correlate with shallow very low frequency earthquake clusters
NATURE COMMUNICATIONS, Dec. 2017
8
[Reviewed] - Takashi Tonegawa; Koichiro Obana; Yojiro Yamamoto; Shuichi Kodaira; Kelin Wang; Michael Riedel; Honn Kao; George Spence
Fracture Alignments in Marine Sediments Off Vancouver Island from Ps Splitting Analysis
BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA, Feb. 2017
107, 1, 387, 402
[Reviewed] - Shunsuke Takemura; Kazuo Yoshimoto; Takashi Tonegawa
Scattering of trapped P and S waves in the hydrated subducting crust of the Philippine Sea plate at shallow depths beneath the Kanto region, Japan
GEOPHYSICAL JOURNAL INTERNATIONAL, Dec. 2015
203, 3, 2261, 2276
[Reviewed] - Takashi Tonegawa; Yoshio Fukao; Gou Fujie; Shunsuke Takemura; Tsutomu Takahashi; Shuichi Kodaira
Geographical distribution of shear wave anisotropy within marine sediments in the northwestern Pacific
PROGRESS IN EARTH AND PLANETARY SCIENCE, Sep. 2015
2
[Reviewed] - Shunsuke Takemura; Kazuo Yoshimoto; Takashi Tonegawa
Velocity increase in the uppermost oceanic crust of subducting Philippine Sea plate beneath the Kanto region due to dehydration inferred from high-frequency trapped P waves
EARTH PLANETS AND SPACE, Mar. 2015
67
[Reviewed] - Takashi Tonegawa; Yoshio Fukao; Tsutomu Takahashi; Koichiro Obana; Shuichi Kodaira; Yoshiyuki Kaneda
Ambient seafloor noise excited by earthquakes in the Nankai subduction zone
NATURE COMMUNICATIONS, Jan. 2015
6
[Reviewed] - Nozomu Takeuchi; Hitoshi Kawakatsu; Satoru Tanaka; Masayuki Obayashi; Y. John Chen; Jieyuan Ning; Steve P. Grand; Fenglin Niu; James Ni; Rryohei Iritani; Koki Idehara; Takashi Tonegawa
Upper mantle tomography in the northwestern Pacific region using triplicated P waves
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Oct. 2014
119, 10, 7667, 7685
[Reviewed] - Takashi Tonegawa; Ryohei Iritani; Hitoshi Kawakatsu
Extraction of Moho-Generated phases from vertical and radial receiver functions of a seismic array
Bulletin of the Seismological Society of America, 01 Jun. 2013
103, 3, 2011, 2024
[Reviewed] - Takashi Tonegawa; Yoshio Fukao; Kiwamu Nishida; Hiroko Sugioka; Aki Ito
A temporal change of shear wave anisotropy within the marine sedimentary layer associated with the 2011 Tohoku-Oki earthquake
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Feb. 2013
118, 2, 607, 615
[Reviewed] - NAKANO Masaru; TONEGAWA Takashi; KANEDA Yoshiyuki
Orientations of DONET seismometers estimated from seismic waveforms
JAMSTEC Report of Research and Development, Sep. 2012
15, 77, 89
[Reviewed] - Takashi Tonegawa; Kiwamu Nishida
Inter-source body wave propagations derived from seismic interferometry
GEOPHYSICAL JOURNAL INTERNATIONAL, Nov. 2010
183, 2, 861, 868
[Reviewed] - Satoshi Ide; Katsuhiko Shiomi; Kimihiro Mochizuki; Takashi Tonegawa; Gaku Kimura
Split Philippine Sea plate beneath Japan
GEOPHYSICAL RESEARCH LETTERS, Nov. 2010
37
[Reviewed] - Akiko Takeo; Koki Idehara; Ryohei Iritani; Takashi Tonegawa; Yutaka Nagaoka; Kiwamu Nishida; Hitoshi Kawakatsu; Satoru Tanaka; Koji Miyakawa; Takashi Iidaka; Masayuki Obayashi; Hiroshi Tsuruoka; Katsuhiko Shiomi; Kazushige Obara
Very broadband analysis of a swarm of very low frequency earthquakes and tremors beneath Kii Peninsula, SW Japan
GEOPHYSICAL RESEARCH LETTERS, Mar. 2010
37
[Reviewed] - Takashi Tonegawa; Kiwamu Nishida; Toshiki Watanabe; Katsuhiko Shiomi
Seismic interferometry of teleseicmic S-wave coda for retrieval of body waves: an application to the Philippine Sea slab underneath the Japanese Islands
GEOPHYSICAL JOURNAL INTERNATIONAL, Sep. 2009
178, 3, 1574, 1586
[Reviewed] - Takashi Tonegawa; Kazuro Hirahara; Takuo Shibutani; Hikaru Iwamori; Hiroo Kanamori; Katsuhiko Shiomi
Water flow to the mantle transition zone inferred from a receiver function image of the Pacific slab
EARTH AND PLANETARY SCIENCE LETTERS, Oct. 2008
274, 3-4, 346, 354
[Reviewed] - Aitaro Kato; Masakatsu Arao; Keisuke Ariyoshi; Youichi Asano; Keiji Doi; Bogdan Enescu; Shinya Fujieda; Hiroko Hagiwara; Toshio Haneda; Akira Hasegawa; Shin'ichi Hashimoto; Satoshi Hirahara; Naoshi Hirata; Yasuhiro Hirata; Issei Hirose; Shusaku Hondo; Kumiko Hori; Shuichiro Hori; Shigeki Horiuchi; Toshihiko Igarashi; Takashi Iidaka; Yoshihisa Iio; Ryoya Ikuta; Takeo Ito; Takaya Iwasaki; Aya Kamimura; Toshihiko Kanazawa; Yasuyuki Kano; Hiroshi Katao; Satoshi Kawamoto; Tomonori Kawamura; Saeko Kita; Masaru Kobayashi; Yuhki Kohno; Toshio Kono; Masahiro Kosuga; Atsuki Kubo; Eiji Kurashimo; Satoshi Matsumoto; Takeshi Matsushima; Toru Matsuzawa; Noa Mitsui; Reiko Miura; Masatoshi Miyazawa; Tomoko Mizukami; Satoko Murotani; Satoru Nagai; Junichi Nakajima; Takashi Nakayama; Hiroaki Negishi; Kinya Nishigami; Izumi Ogino; Shiro Ohmi; Tomomi Okada; Hiroki Onaha; Shantha S.N. Gamage; Mamoru Saka; Shin'ichi Sakai; Katsuhito Sato; Toshiya Sato; Masato Serizawa; Takuo Shibutani; Junpei Shimizu; Junichi Suganomata; Kiyoko Tagami; Keisuke Takahashi; Kaori Takai; Fumiaki Takeuchi; Yasuda Takumi; Kazuo Tanaka; Ken'ichi Tatsumi; Takashi Tonegawa; Hiroaki Tsushima; Naoki Uchida; Kenji Uehira; Tomotake Ueno; Norihito Umino; Hiroo Wada; Kazutoshi Watanabe; Shigeru Watanabe; Yasuo Yabe; Tadashi Yaginuma; Mamoru Yamada; Shunroku Yamamoto; Yoshiko Yamanaka; Futoshi Yamashita; Fumihito Yamazaki; Satoshi Yui; Yohei Yukutake
High-resolution aftershock observations in the source region of the 2004 mid-Niigata Prefecture Earthquake
Earth, Planets and Space, 2007
59, 8, 923, 928
[Reviewed] - Takashi Tonegawa; Kazuro Hirahara; Takuo Shibutani; Naoyuki Fujii
Lower slab boundary in the Japan subduction zone
EARTH AND PLANETARY SCIENCE LETTERS, Jul. 2006
247, 1-2, 101, 107
[Reviewed] - Takashi Tonegawa; Kazuro Hirahara; Takuo Shibutani; Katsuhiko Shiomi
Upper mantle imaging beneath the Japan Islands by Hi-net tiltmeter recordings
EARTH PLANETS AND SPACE, 2006
58, 8, 1007, 1012
[Reviewed] - T Tonegawa; K Hirahara; T Shibutani
Detailed structure of the upper mantle discontinuities around the Japan subduction zone imaged by receiver function analyses
EARTH PLANETS AND SPACE, 2005
57, 1, 5, 14
[Reviewed]
Misc.
- 武村俊介; 濱田洋平; 奥田花也; 岡田悠太郎; 大久保蔵馬; 悪原岳; 野田朱美; 利根川貴志
A comprehensive review of shallow slow earthquakes in Nankai
日本地震学会秋季大会講演予稿集(CD-ROM), 2023
2023 - SHITO Azusa; SUETSUGU Daisuke; ISSE Takehi; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko
Po/So waves traveling in the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2022
2022 - 利根川貴志; 悪原岳; 山下裕亮; 杉岡裕子; 篠原雅尚; 武村俊介; 辻健
Relationship between slow earthquakes and temporal changes in seismological structure in the shallow Nankai subduction zone
日本地震学会秋季大会講演予稿集(CD-ROM), 2022
2022 - ITO Aki; SUGIOKA Hiroko; NAKANO Masaru; YAMASHITA Yusuke; SHINOHARA Masanao; TAKAHASHI Tsutomu; SUETSUGU Daisuke; TONEGAWA Takashi
Moment tensor inversion of shallow very low-frequency earthquakes in the northern Ryukyu subduction zone and the Hyuga-nada region
日本地球惑星科学連合大会予稿集(Web), 2021
2021 - 深尾良夫; 久保田達也; 杉岡裕子; 伊藤亜妃; 利根川貴志; 塩原肇; 山下幹也; 齊藤竜彦
Detection of slip events amid the transitional regime between the unstable seismic and stable sliding regimes
日本地震学会秋季大会講演予稿集(CD-ROM), 2021
2021 - 悪原岳; 杉岡裕子; 山下裕亮; 大柳修慧; FARAZI Atikul Haque; 伊藤喜宏; 日野亮太; 東龍介; 荒木英一郎; 利根川貴志; 辻健; 望月公廣; 山田知朗; 武村俊介; 篠原雅尚
海域機動地震観測による熊野灘のスロー地震調査
海と地球のシンポジウム発表課題一覧・要旨集(CD-ROM), 2021
2021 - 中野優; 杉岡裕子; 荒木英一郎; 中島倫也; 伊藤亜妃; 松本浩幸; 横引貴史; 利根川貴志; 山本揚二朗; 木村俊則; 藤江剛; 田中聡
DAS observations of earthquakes and airgun signals around Kikai caldera
日本地震学会秋季大会講演予稿集(CD-ROM), 2021
2021 - 中野優; 杉岡裕子; 荒木英一郎; 中島倫也; 伊藤亜妃; 松本浩幸; 横引貴史; 利根川貴志; 山本揚二朗; 木村俊則; 藤江剛; 田中聡
DAS observations of earthquakes and airgun signals around Kikai caldera
日本火山学会講演予稿集, 2021
2021 - 利根川貴志; 木村俊則; 白石和也; 矢部優; 深尾良夫; 荒木英一郎; 木下正高; 真田佳典; 三浦誠一; 中村恭之; 小平秀一
「ちきゅう」船舶ノイズを用いた潮汐応答する南海トラフプレート境界の弱面の検出
海と地球のシンポジウム発表課題一覧・要旨集(CD-ROM), 2020
2020 - SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
Topography on the mantle discontinuities beneath the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2020
2020 - Kawano Yuki; Isse Takehi; Takeo Akiko; Kawakatsu Hitoshi; Suetsugu Daisuke; Shiobara Hajime; Sugioka Hiroko; Ito Aki; Ishihara Yasushi; Tanaka Satoru; Obayashi Masayuki; Tonegawa Takashi; Yoshimitsu Junko
Persistent Long-Period Signals Recorded by an OBS Array in the Western-Central Pacific: Activity of Ambrym Volcano in Vanuatu
Geophysical Research Letters, 2020
47, 19 - FUKAO Yoshio; SUGIOKA Hiroko; ITO Aki; TONEGAWA Takashi; YAMASHITA Mikiya; SHIOBARA Hajime; KUBOTA Tatsuya; SAITO Tatsuhiko
Strain release by “rapid“ aseismic slip at the Izu-Bonin trench
日本地球惑星科学連合大会予稿集(Web), 2020
2020 - 利根川貴志; 木村俊則; 白石和也; 荒木英一郎; 木下正高; 真田佳典; 三浦誠一; 中村恭之; 小平秀一
「ちきゅう」掘削中の海底常時振動記録を用いた南海トラフ付加体の地震波速度構造モニタリング
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - HORIUCHI Misaki; SUGIOKA Hiroko; OBAYASHI Masayuki; SUETSUGU Daisuke; SHIOBARA Hajime; ITO Aki; ISHIHARA Yasushi; TANAKA Satoru; ISSE Takehi; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
Finite frequency S wave tomography model beneath the Ontong Java Plateau using data recorded by broadband ocean bottom seismographs
日本地球惑星科学連合大会予稿集(Web), 2019
2019 - ISSE Takehi; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi; YOSHIZAWA Kazunori
Shear wave structure of the upper mantle beneath the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2019
2019 - 大林政行; 吉光淳子; 末次大輔; 塩原肇; 杉岡裕子; 伊藤亜妃; 石原靖; 田中聡; 一瀬建日; 利根川貴志; 小林拓史
オントンジャワ海台マントルP波速度構造
ブルーアースサイエンス・テク要旨集, 2019
2019 - 一瀬建日; 末次大輔; 塩原肇; 杉岡裕子; 伊藤亜妃; 石原靖; 田中聡; 大林政行; 利根川貴志; 吉光淳子; 小林拓史
オントンジャワ海台上部マントルS波速度構造
ブルーアースサイエンス・テク要旨集, 2019
2019 - TONEGAWA Takashi; YAMASHITA Yusuke; ITO Aki; SHINOHARA Masanao; SUETSUGU Daisuke; TAKAHASHI Tsutomu; ISHIHARA Yasushi; KODAIRA Shuichi; KANEDA Yoshiyuki
Determination of sVLFE epicenters around the subducted Kyushu-Palau Ridge from coda interferometry
日本地球惑星科学連合大会予稿集(Web), 2019
2019 - 高橋努; 伊藤亜妃; 末次大輔; 山下裕亮; 篠原雅尚; 中島倫也; 池澤賢志; 阿部英二; 利根川貴志; 石原靖; 三浦誠一; 小平秀一; 金田義行
南西諸島北部・スロー地震発生域における広帯域海底地震観測
ブルーアースサイエンス・テク要旨集, 2019
2019 - SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBATASHI Takumi
Shear velocity and attenuation of the mantle beneath the Ontong Java Plateau based on an analysis of multiple ScS waves
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - ITO Aki; TONEGAWA Takashi; UCHIDA Naoki; YAMAMOTO Yojiro; SUETSUGU Daisuke; HINO Ryota; SUGIOKA Hiroko; OBANA Koichiro; NAKAHIGASHI Kazuo; SHINOHARA Masanao
Configuration and structure of the Philippine Sea plate off Boso, Japan
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - 川野由貴; 一瀬建日; 竹尾明子; 川勝均; 末次大輔; 塩原肇; 杉岡裕子; 伊藤亜妃; 石原靖; 田中聡; 大林政行; 利根川貴志; 吉光淳子; 小林拓史
オントンジャワ海台における地震波アレイ解析:地震波干渉法による予備的解析
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - 深尾良夫; 杉岡裕子; 伊藤亜妃; 山下幹也; 山下幹也; 利根川貴志; 塩原肇; 久保田達矢; 齊藤竜彦
2015年Mw6.0小笠原海溝地震の近地アレー観測:前震-本震-海底変動-津波発生-余効変動
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - 一瀬建日; 末次大輔; 塩原肇; 杉岡裕子; 伊藤亜妃; 石川晃; 川野由貴; 吉澤和範; 石原靖; 田中聡; 大林政行; 利根川貴志; 吉光淳子; 小林拓史
オントンジャワ海台の上部マントルS波速度構造
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - 久保田達矢; 齊藤竜彦; 深尾良夫; 杉岡裕子; 伊藤亜妃; 山下幹也; 山下幹也; 利根川貴志; 塩原肇
2015年Mw6.0小笠原海溝地震の近地アレー観測:津波発生場の海底水圧変動モデリング
日本地震学会秋季大会講演予稿集(CD-ROM), 2019
2019 - OBAYASHI Masayuki; YOSHIMITSU Junko; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; TONEGAWA Takashi; KOBAYASHI Takumi
P-wave velocity tructures beneath Ontong Java Plateau
日本地震学会秋季大会講演予稿集(CD-ROM), 2018
2018 - TANAKA Satoru; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
Shear wave splitting observed in the Ontong Java Plateau and adjacent regions
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - KOBAYASHI Minoru; UKAWA Motoo; FUKAO Yoshio; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
sPL waves observed by the OJP array in the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - TONEGAWA Takashi; SUETSUGU Daisuke; MIURA Seiichi; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; YOSHIMITSU Junko; KOBAYASHI Takumi
Retrieval of converted phases from shallow structure of the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - ISSE Takehi; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
Shear wave upper mantle structure beneath the Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; OBAYASHI Masayuki; TONEGAWA Takashi; YOSHIMITSU Junko; KOBAYASHI Takumi
Seismic attenuation in the mantle beneath the Ontong Java Plateau from multiple ScS waves
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - OBAYASHI Masayuki; YOSHIMITSU Junko; SUETSUGU Daisuke; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; ISHIHARA Yasushi; TANAKA Satoru; TONEGAWA Takashi; KOBAYASHI Takumi
Multifrequency P-wave tomography of Ontong Java Plateau
日本地球惑星科学連合大会予稿集(Web), 2018
2018 - 利根川貴志; 末次大輔; 塩原肇; 杉岡裕子; 伊藤亜妃; 一瀬建日; 石原靖; 田中聡; 大林政行; 吉光淳子
OJP arrayのBBOBS記録を用いた浅部構造からの変換波抽出
ブルーアースサイエンス・テク要旨集, 2018
2018 - 末次大輔; 塩原肇; 杉岡裕子; 多田訓子; 伊藤亜妃; 一瀬建日; 馬場聖至; 市原寛; 市原寛; 太田豊宣; 石原靖; 田中聡; 大林政行; 利根川貴志; 吉光淳子; 小林拓史; 歌田久司
オントンジャワ海台の海底・海洋島における地震・電磁気観測
ブルーアースサイエンス・テク要旨集, 2018
2018 - 利根川貴志; 山下裕亮; 高橋努; 篠原雅尚; 石原靖; 小平秀一; 金田義行
海底観測記録を用いた日向灘の浅部超低周波地震の震央位置決定
日本地震学会秋季大会講演予稿集(CD-ROM), 06 Oct. 2017
2017, ROMBUNNO.S09‐P26 - TONEGAWA Takashi; FUKAO Yoshio; SHIOBARA Hajime; SUGIOKA Hiroko; ITO Aki; YAMASHITA Mikiya
The excitation location of external gravity waves traveling across the Pacific Ocean and its seasonal variation
日本地球惑星科学連合大会予稿集(Web), 2017
2017 - TONEGAWA Takashi; SHIOBARA Hajime; ISSE Takehi; SUGIOKA Hiroko; ITO Aki; TAKEO Akiko; KAWAKATSU Hitoshi; UTADA Hisashi
Extraction of Po-to-s converted waves from OBS records
日本地球惑星科学連合大会予稿集(Web), 2015
2015 - Shunsuke Takemura; Kazuo Yoshimoto; Takashi Tonegawa
Finite Difference Method Simulations of High-frequency Trapped P Waves using the Earth Simulator: Evidence of Velocity Increase in the Subducting Uppermost Oceanic Crust of the Philippine Sea Plate due to Dehydration Reactions.
Annual report of Earth Simulator Center 2014, 2015
73, 81 - 一瀬建日; 塩原肇; 杉岡裕子; 伊藤亜妃; 竹尾明子; 歌田久司; 川勝均; 利根川貴志; 田中聡
「ふつうの海洋マントル」プロジェクトによって明らかになった海洋マントルの構造:序報
ブルーアース要旨集, 2014
2014 - 一瀬建日; 塩原肇; 杉岡裕子; 伊藤亜妃; 竹尾明子; 歌田久司; 川勝均; 利根川貴志; 田中聡
「ふつうの海洋マントル」プロジェクトによって明らかになった海洋マントルの構造:序報
日本地震学会秋季大会講演予稿集, 2013
2013 - TONEGAWA Takashi; HIRAHARA Kazuro; SHIBUTANI Takuo; SHIOMI Katsuhiko
Upper mantle imaging beneath the Japan Islands by Hi-net tiltmeter recordings
EPS, 01 Aug. 2006
58, 8, 1007, 1012
Books and Other Publications
Presentations
- 胡 靚妤; 篠原 雅尚; 山下 裕亮; 利根川 貴志; 山田 知朗; 悪原 岳; 望月 公廣
Seismic activity by long-term seafloor observation in the Hyuga-nada and spatiotemporal relation of fast and slow earthquakes
日本地球惑星科学連合2025年大会, 29 May 2025 - 垣内 優亮; 辻 健; 利根川貴志
南海トラフ付加体における実体波を用いた地震波速度変化の時空間変動：雑微動の自己相関解析
日本地球惑星科学連合2025年大会, 29 May 2025 - Hou-Sheng Cheng; Takashi Tonegawa; Emmy T.Y. CHANG; Eiichiro Araki
Low-frequency ocean gravity waves triggered by tropical cyclones via seafloor distributed acoustic sensing
日本地球惑星科学連合2025年大会, 29 May 2025 - Takashi Tonegawa; Eiichiro Araki
Seismic imaging with teleseismic waves and ambient noises observed by a submarine cable in the Nankai subduction zone with distributed acoustic sensing
日本地球惑星科学連合2025年大会, 29 May 2025 - Takashi Tonegawa
Temporal variation in seismic velocity at the Nankai accretionary prism: Implication to fluids, stress field and plate coupling
日本地球惑星科学連合2025年大会, 28 May 2025 - 荒木 英一郎; 氏家 恒太郎; 杉岡 裕子; 篠原 雅尚; 塩原 肇; 悪原 岳; 有吉 慶介; 利根川 貴志; 伊藤 亜妃; 西田 周平; 横引 貴史
巨大地震震源域海溝沈み込み先端部のゆっくり滑りプロセスの理解に向けた観測の取り組み
日本地球惑星科学連合2025年大会, 28 May 2025 - ChingYu Hu; Masanao Shinohara; Yusuke Yamashita; Takashi Tonegawa; Tomoaki Yamada; Takeshi Akuhara; Kimihiro Mochizuki
Earthquake distribution by OBS observation in Hyuga-nada region and comparison with slow earthquake activities
AGU fall meeting 2024, 12 Dec. 2024 - Takashi Tonegawa; Eiichiro Araki
Distributed acoustic sensing observation for high-frequency tsunamis excited near Torishima island, Japan
AGU fall meeting 2024, 12 Dec. 2024 - 西田 究; 市原 美恵; 久保田 達矢; 利根川 貴志
2022年のフンガ・トンガ-フンガ・ハアパイ火山の噴火時に発生した海洋外部重力波: 噴火過程の推定
日本地震学会2024年秋季大会, 23 Oct. 2024 - 胡 靚妤; 篠原 雅尚; 山下 裕亮; 利根川 貴志; 山田 知朗; 悪原 岳; 望月 公広
Seismicity in shallow part of Hyuga-nada subduction zone by ocean bottom seismometer from 2015 to 2022
日本地震学会2024年秋季大会, 22 Oct. 2024 - 利根川 貴志; 荒木 英一郎; 西田 周平; 伊藤 亜妃; 町田 祐弥; 尾鼻 浩一郎; 藤江 剛
南海トラフ域C0010 下からの定常的な反射S 波の抽出
日本地震学会2024年秋季大会, 21 Oct. 2024 - Takashi Tonegawa; Eiichiro Araki
Observation for High-Frequency Tsunamis Excited Near Torishima Island, Japan
Photonic Seismology, 09 Oct. 2024, [Invited] - 悪原 岳; 白石 和也; 辻 健; 山下 裕亮; 伊藤 喜宏; Atikul Haque Farazi; 大柳 修慧; 杉岡 裕子; 荒木 英一郎; 利根川 貴志; 東 龍介; 日野 亮太; 望月 公廣; 武村 俊介; 山田 知朗; 篠原 雅尚
Structural controls on the spatial extent of tectonic tremors in Kumano-nada
日本地球惑星科学連合2024年大会, 28 May 2024 - 武村 俊介; 濱田 洋平; 奥田 花也; 岡田 悠太郎; 大久保 蔵馬; 悪原 岳; 野田 朱美; 利根川 貴志
Toward a comprehensive understanding of shallow slow earthquakes: a review of key studies along the Nankai Trough and future perspectives
日本地球惑星科学連合2024年大会, 28 May 2024 - Takashi Tonegawa; Eiichiro Araki; Yuya Machida
Modeling temporal variations of physical properties at the plate boundary in the Nankai subduction zone
日本地球惑星科学連合2024年大会, 28 May 2024 - Hou-Sheng Cheng; Emmy T.Y. CHANG; Takashi Tonegawa
Ocean infragravity waves at seafloor DONET stations
日本地球惑星科学連合2024年大会, 27 May 2024 - Takashi Tonegawa; Eiichiro Araki
High-frequency tsunamis excited near Torishima island, Japan, observed by a submarine cable with distributed acoustic sensing
日本地球惑星科学連合2024年大会, 27 May 2024, [Invited]
