Researcher Information
researchmap URL
Research History
Research activity information
Papers
- Joel D. Simon; Frederik Jozef Simons; Jessica Claire Elizabeth Irving; Wenbo Wu; Masayuki Obayashi; Yong Yu; Yongshun John Chen; Hiroko Sugioka; Yann Michel Hello
 Hydroacoustic observations of the 15 January 2022 Hunga Tonga-Hunga Ha‘apai eruption: The role of bathymetry along the path
 14 Aug. 2025
- Koichiro Obana; Aki Ito; Toshiya Fujiwara; Masayuki Obayashi; Kentaro Imai; Yasuyuki Nakamura; Kenta Yoshida; Noriko Tada; Tomoya Nakajima; Hiroyuki Matsumoto; Gou Fujie; Satoru Tanaka; Shigeaki Ono; Shuichi Kodaira
 Earthquake activity in the Torishima Rift and Sofu Seamount, and its relationship to the October 2023 tsunamis in Japan
 Earth, Planets and Space, 28 Apr. 2025
- Satoru Tanaka; Masaru Nakano; Tomoya Nakajima; Junko Yoshimitsu; Masayuki Obayashi; Dirk Metz
 Monitoring Submarine Volcanic Activities in the Izu–Bonin–Mariana Arc Using the International Monitoring System Hydrophone Array Signals
 Seismological Research Letters, 01 Mar. 2025
 [Reviewed]
- Y. Kondo; M. Obayashi; H. Sugioka; H. Shiobara; A. Ito; M. Shinohara; H. Iwamori; M. Kinoshita; M. Miller; C. Tassara; J. Ojeda
 Seismic Image of the Central to Southern Andean Subduction Zone Through Finite‐Frequency Tomography
 Journal of Geophysical Research: Solid Earth, Nov. 2024
 [Reviewed]
- Toshiya Fujiwara; Kentaro Imai; Masayuki Obayashi; Kenta Yoshida; Noriko Tada; Koichiro Obana; Gou Fujie; Shigeaki Ono; Shuichi Kodaira
 The Sofu Seamount Submarine Volcano Present in the Source Area of the October 2023 Earthquakes and Tsunamis in Japan
 Geophysical Research Letters, 16 Oct. 2024
 51, 19
 [Reviewed]
- Yi Fu; Zhi Wang; Masayuki Obayashi
 Global P‐Wave and Joint S‐Wave Tomography in the North Pacific: Implications for Slab Geometry and Evolution
 Journal of Geophysical Research: Solid Earth, 26 Oct. 2023
 128, 11
 [Reviewed]
- 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]
- 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
- 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
- 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
- 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
 [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]
- D. Suetsgu; H. Shiobara; H. Sugioka; N. Tada; A. Ito; T. Isse; K. Baba; H. Ichihara; T. Ota; Y. Ishihara; S. Tanaka; M. Obayashi; T. Tonegawa; J. Yoshimitsu; T. Kobayashi; H. Utada
 The OJP array: seismological and electromagnetic observation on seafloor and islands in the Ontong Java Plateau
 JAMSTEC Rep. Res. Dev., 2018
 26, doi: 10.5918/jamstecr.26.54, 56
- Takayuki Miyoshi; Masayuki Obayashi; Daniel Peter; Yoko Tono; Seiji Tsuboi
 Adjoint tomography of the crust and upper mantle structure beneath the Kanto region using broadband seismograms
 PROGRESS IN EARTH AND PLANETARY SCIENCE, Oct. 2017
 4
 [Reviewed]
- Haichao Chen; Fenglin Niu; Masayuki Obayashi; Stephen P. Grand; Hitoshi Kawakatsu; Y. John Chen; Jieyuan Ning; Satoru Tanaka
 Mantle seismic anisotropy beneath NE China and implications for the lithospheric delamination hypothesis beneath the southern Great Xing'an range
 EARTH AND PLANETARY SCIENCE LETTERS, Aug. 2017
 471, 32, 41
 [Reviewed]
- Tetsuo Matsuno; Daisuke Suetsugu; Kiyoshi Baba; Noriko Tada; Hisayoshi Shimizu; Hajime Shiobara; Takehi Isse; Hiroko Sugioka; Aid Ito; Masayuki Obayashi; Hisashi Utada
 Mantle transition zone beneath a normal seafloor in the northwestern Pacific: Electrical conductivity, seismic thickness, and water content
 EARTH AND PLANETARY SCIENCE LETTERS, Mar. 2017
 462, 189, 198
 [Reviewed]
- Junko Yoshimitsu; Masayuki Obayashi
 A database of global seismic travel times
 JAMSTEC Report of Research and Development, Mar. 2017
 24, 23, 29
 [Reviewed]
- Masayuki Obayashi; Yasushi Ishihara; Daisuke Suetsugu
 Effects of shallow-layer reverberation on measurement of teleseismic P-wave travel times for ocean bottom seismograph data
 EARTH PLANETS AND SPACE, Mar. 2017
 69, 1
 [Reviewed]
- Masayuki Obayashi; Yoshio Fukao; Junk Yoshirnitsu
 Unusually deep Bonin earthquake of 30 May 2015: A precursory signal to slab penetration?
 EARTH AND PLANETARY SCIENCE LETTERS, Feb. 2017
 459, 221, 226
 [Reviewed]
- M. Obayashi; J. Yoshimitsu; H. Sugioka; A. Ito; T. Isse; H. Shiobara; D. Reymond; D. Suetsugu
 Mantle plumes beneath the South Pacific superswell revealed by finite frequency P tomography using regional seafloor and island data
 GEOPHYSICAL RESEARCH LETTERS, Nov. 2016
 43, 22, 11628, 11634
 [Reviewed]
- Taewoon Kim; Yoshio Fukao; Masayuki Obayashi
 CSMAP: Cross Section Selector and Tomogram Generator
 JAMSTEC Report of Research and Development, 2016
 22, 0, 31, 38
 [Reviewed]
- Zhen Guo; Y. John Chen; Jieyuan Ning; Yongge Feng; Stephen P. Grand; Fenglin Niu; Hitoshi Kawakatsu; Satoru Tanaka; Masayuki Obayashi; James Ni
 High resolution 3-D crustal structure beneath NE China from joint inversion of ambient noise and receiver functions using NECESSArray data
 EARTH AND PLANETARY SCIENCE LETTERS, Apr. 2015
 416, 1, 11
 [Reviewed]
- Satoru Tanaka; Hitoshi Kawakatsu; Masayuki Obayashi; Y. John Chen; Jieyuan Ning; Stephen P. Grand; Fenglin Niu; James Ni
 Rapid lateral variation of P-wave velocity at the base of the mantle near the edge of the Large-Low Shear Velocity Province beneath the western Pacific
 GEOPHYSICAL JOURNAL INTERNATIONAL, Feb. 2015
 200, 2, 1050, 1063
 [Reviewed]
- Zheng Liu; Fenglin Niu; Yongshun John Chen; Steve Grand; Hitoshi Kawakatsu; Jieyuan Ning; Satoru Tanaka; Masayuki Obayashi; James Ni
 Receiver function images of the mantle transition zone beneath NE China: New constraints on intraplate volcanism, deep subduction and their potential link
 EARTH AND PLANETARY SCIENCE LETTERS, Feb. 2015
 412, 101, 111
 [Reviewed]
- Y. Fukao; M. Obayashi
 Deep Earth Structure - Subduction Zone Structure in the Mantle Transition Zone
 Treatise on Geophysics: Second Edition, 01 Jan. 2015
 1, 641, 654
 [Reviewed]
- Nishath R. Ranasinghe; Andrea C. Gallegos; Andrea R. Trujillo; Alexander R. Blanchette; Eric A. Sandvol; James Ni; Thomas M. Hearn; Youcai Tang; Stephen P. Grand; Fenglin Niu; Yongshun J. Chen; Jieyuan Ning; Hitoshi Kawakatsu; Satoru Tanaka; Masayuki Obayashi
 Lg attenuation in northeast China using NECESSArray data
 GEOPHYSICAL JOURNAL INTERNATIONAL, Jan. 2015
 200, 1, 67, 76
 [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]
- Kai Tao; Fenglin Niu; Jieyuan Ning; Yongshun J. Chen; Steve Grand; Hitoshi Kawakatsu; Satoru Tanaka; Masayuki Obayashi; James Ni
 Crustal structure beneath NE China imaged by NECESSArray receiver function data
 EARTH AND PLANETARY SCIENCE LETTERS, Jul. 2014
 398, 48, 57
 [Reviewed]
- Youcai Tang; Masayuki Obayashi; Fenglin Niu; Stephen P. Grand; Yongshun John Chen; Hitoshi Kawakatsu; Satoru Tanaka; Jieyuan Ning; James F. Ni
 Changbaishan volcanism in northeast China linked to subduction-induced mantle upwelling
 NATURE GEOSCIENCE, Jun. 2014
 7, 6, 470, 475
 [Reviewed]
- Tetsuya Sakuyama; Wei Tian; Jun-Ichi Kimura; Yoshio Fukao; Yuka Hirahara; Toshiro Takahashi; Ryoko Senda; Qing Chang; Takashi Miyazaki; Masayuki Obayashi; Hiroshi Kawabata; Yoshiyuki Tatsumi
 Melting of dehydrated oceanic crust from the stagnant slab and of the hydrated mantle transition zone: Constraints from Cenozoic alkaline basalts in eastern China
 CHEMICAL GEOLOGY, Nov. 2013
 359, 32, 48
 [Reviewed]
- Masayuki Obayashi; Junko Yoshimitsu; Guust Nolet; Yoshio Fukao; Hajime Shiobara; Hiroko Sugioka; Hiroki Miyamachi; Yuan Gao
 Finite frequency whole mantle P wave tomography: Improvement of subducted slab images
 GEOPHYSICAL RESEARCH LETTERS, Nov. 2013
 40, 21, 5652, 5657
 [Reviewed]
- Yoshio Fukao; Masayuki Obayashi
 Subducted slabs stagnant above, penetrating through, and trapped below the 660 km discontinuity
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Nov. 2013
 118, 11, 5920, 5938
 [Reviewed]
- Daisuke Suetsugu; Toru Inoue; Masayuki Obayashi; Akira Yamada; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Toshihiko Kanazawa; Hitoshi Kawakatsu; Azusa Shito; Yoshio Fukao
 Depths of the 410-km and 660-km discontinuities in and around the stagnant slab beneath the Philippine Sea: Is water stored in the stagnant slab?
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Nov. 2010
 183, 1-2, 270, 279
 [Reviewed]
- Yuan Gao; Daisuke Suetsugu; Yoshio Fukao; Masayuki Obayashi; Yutao Shi; Ruifeng Liu
 Seismic discontinuities in the mantle transition zone and at the top of the lower mantle beneath eastern China and Korea: Influence of the stagnant Pacific slab
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Nov. 2010
 183, 1-2, 288, 295
 [Reviewed]
- Hisayoshi Shimizu; Hisashi Utada; Kiyoshi Baba; Takao Koyama; Masayuki Obayashi; Yoshio Fukao
 Three-dimensional imaging of electrical conductivity in the mantle transition zone beneath the North Pacific Ocean by a semi-global induction study
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Nov. 2010
 183, 1-2, 252, 269
 [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, 6, n/a
 [Reviewed]
- Hiroko Sugioka; Daisuke Suetsugu; Masayuki Obayashi; Yoshio Fukao; Yuan Gao
 Fast P- and S-wave velocities associated with the "cold" stagnant slab beneath the northern Philippine Sea
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Mar. 2010
 179, 1-2, 1, 6
 [Reviewed]
- Yasuko Yamagishi; Hiroshi Yanaka; Katsuhiko Suzuki; Seiji Tsuboi; Takehi Isse; Masayuki Obayashi; Hajimu Tamura; Hiromichi Nagao
 Visualization of geoscience data on Google Earth: Development of a data converter system for seismic tomographic models
 COMPUTERS & GEOSCIENCES, Mar. 2010
 36, 3, 373, 382
 [Reviewed]
- Akira Yamada; Dapeng Zhao; Toru Inoue; Daisuke Suetsugu; Masayuki Obayashi
 Seismological evidence for compositional variations at the base of the mantle transition zone under Japan Islands
 GONDWANA RESEARCH, Dec. 2009
 16, 3-4, 482, 490
 [Reviewed]
- D. Suetsugu; T. Isse; S. Tanaka; M. Obayashi; H. Shiobara; H. Sugioka; T. Kanazawa; Y. Fukao; G. Barruol; D. Reymond
 South Pacific mantle plumes imaged by seismic observation on islands and seafloor
 GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, Nov. 2009
 10, 11
 [Reviewed]
- Yuancheng Gung; Ya-Ting Hsu; Ling-Yun Chiao; Masayuki Obayashi
 Multiscale waveform tomography with two-step model parameterization
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Nov. 2009
 114, B11
 [Reviewed]
- Masayuki Obayashi; Junko Yoshimitsu; Yoshio Fukao
 Tearing of Stagnant Slab
 SCIENCE, May 2009
 324, 5931, 1173, 1175
 [Reviewed]
- Hisashi Utada; Takao Koyama; Masayuki Obayashi; Yoshio Fukao
 A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry
 EARTH AND PLANETARY SCIENCE LETTERS, May 2009
 281, 3-4, 249, 257
 [Reviewed]
- S. Tanaka; M. Obayashi; D. Suetsugu; H. Shiobara; H. Sugioka; J. Yoshimitsu; T. Kanazawa; Y. Fukao; G. Barruol
 P-wave tomography of the mantle beneath the South Pacific Superswell revealed by joint ocean floor and islands broadband seismic experiments
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Feb. 2009
 172, 3-4, 268, 277
 [Reviewed]
- Yoshio Fukao; Masayuki Obayashi; Tomoeki Nakakuki
 Stagnant Slab: A Review
 ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, 2009
 37, 1, 19, 46
 [Reviewed]
- Junko Yoshimitsu; Masayuki Obayashi; Yoshio Fukao
 Development of the global seismic travel time database at JAMSTEC/IFREE
 JAMSTEC Report of Research and Development, 2009
 2009, 163, 172
 [Reviewed]
- Obayashi Masayuki; Barroul Guilhem; Reymond Dominique; Daisuke Suetsugu; Tanaka Satoru; Isse Takehi; Yoshimitsu Junko; Shiobara Hajime; Sugioka Hiroko; Kanazawa Toshihiko; Fukao Yoshio
 Seismic image of mantle plumes beneath the South Pacific
 Abstracts of Annual Meeting of the Geochemical Society of Japan, 2008
 55, 0, 88, 88
 [Reviewed]
- M Ichiki; K Baba; M Obayashi; H Utada
 Water content and geotherm in the upper mantle above the stagnant slab: Interpretation of electrical conductivity and seismic P-wave velocity models
 PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Apr. 2006
 155, 1-2, 1, 15
 [Reviewed]
- M Obayashi; H Sugioka; J Yoshimitsu; Y Fukao
 High temperature anomalies oceanward of subducting slabs at the 410-km discontinuity
 EARTH AND PLANETARY SCIENCE LETTERS, Mar. 2006
 243, 1-2, 149, 158
 [Reviewed]
- Daisuke Suetsugu; Toru Inoue; Akira Yamada; Dapeng Zhao; Masayuki Obayashi
 Towards mapping the three-dimensional distribution of water in the transition zone from P-velocity tomography and 660-km discontinuity depths
 Geophysical Monograph Series, 2006
 168, 237, 249
 [Reviewed]
- FL Niu; A Levander; S Ham; M Obayashi
 Mapping the subducting Pacific slab beneath southwest Japan with Hi-net receiver functions
 EARTH AND PLANETARY SCIENCE LETTERS, Oct. 2005
 239, 1-2, 9, 17
 [Reviewed]
- M Obayashi; D Suetsugu; Y Fukao
 PP-P differential traveltime measurement with crustal correction
 GEOPHYSICAL JOURNAL INTERNATIONAL, Jun. 2004
 157, 3, 1152, 1162
 [Reviewed]
- S Oki; Y Fukao; M Obayashi
 Reference frequency of teleseismic body waves
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Apr. 2004
 109, B4
 [Reviewed]
- Y Fukao; T Koyama; M Obayashi; H Utada
 Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography
 EARTH AND PLANETARY SCIENCE LETTERS, Jan. 2004
 217, 3-4, 425, 434
 [Reviewed]
- Y Fukao; A To; M Obayashi
 Whole mantle P wave tomography using P and PP-P data
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Jan. 2003
 108, B1, ESE 8
 [Reviewed]
- Y Fukao; S Widiyantoro; M Obayashi
 Stagnant slabs in the upper and lower mantle transition region
 REVIEWS OF GEOPHYSICS, Aug. 2001
 39, 3, 291, 323
 [Reviewed]
- F Tajima; Y Fukao; M Obayashi; T Sakurai
 Evaluation of slab images in the northwestern Pacific
 EARTH PLANETS AND SPACE, 1998
 50, 11-12, 953, 964
 [Reviewed]
- M Obayashi; Y Fukao
 P and PcP travel time tomography for the core-mantle boundary
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Aug. 1997
 102, B8, 17825, 17841
 [Reviewed]
- Masayuki OBAYASHI; Taro SAKURAI; Yoshio FUKAO
 The 3D Structure of the Mantle from Travel Time Inversion.
 Journal of Geography (Chigaku Zasshi), 1995
 104, 7, 934, 940
 [Reviewed]
- Yoshio Fukao; Sigenori Maruyama; Masayuki Obayashi; Hiroshi Inoue
 Geologic implication of the whole mantle P-wave tomography.
 The Journal of the Geological Society of Japan, 1994
 100, 1, 4
 [Reviewed]
- Y FUKAO; M OBAYASHI; H INOUE; M NENBAI
 SUBDUCTING SLABS STAGNANT IN THE MANTLE TRANSITION ZONE
 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Apr. 1992
 97, B4, 4809, 4822
 [Reviewed]
Misc.
- YAMAMOTO Yojiro; ITO Aki; ISHIHARA Yasushi; OBAYASHI Masayuki; TANAKA Satoru; NAKAMICHI Haruhisa; YAKIWARA Hiroshi; NAKATANI Yukihiro; SUGIOKA Hiroko; SUGIOKA Hiroko; OTSUKA Hironori; MATSUNO Tetsuo; SEAMA Nobukazu; SEAMA Nobukazu
 Amphibious passive seismic observation at Kikai submarine caldera
 日本地球惑星科学連合大会予稿集(Web), 2022
 2022
- 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
- 大林政行; 吉光淳子; 杉岡裕子; SIMON Joel D; YONG Yu
 The Explosive Hunga Tonga Eruption observed by an Array of Hydroacoustic MERMAID Floats
 日本地震学会秋季大会講演予稿集(CD-ROM), 2022
 2022
- 近藤優子; 杉岡裕子; 大林政行
 A study on the Application of 3-D Travel-Time Prediction to the Bayesloc multiple-event lolation
 日本地震学会秋季大会講演予稿集(CD-ROM), 2021
 2021
- 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
- OBAYASHI Masayuki; SUGIOKA Hiroko; HELLO Yann; SIMONS Frederik J; CHEN Yongshun J; NOLET Guust
 Seismic monitoring by autonomous floats to image Earth’s interior
 日本地球惑星科学連合大会予稿集(Web), 2020
 2020
- 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
- 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
- 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
- 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
- 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
- KOBAYASHI Takumi; SUETSUGU Daisuke; OBAYASHI Masayuki; SUGIOKA Hiroko
 Upper mantle structure beneath the Ontong Java Plateau from measurements of body wave differential travel times
 日本地球惑星科学連合大会予稿集(Web), 2017
 2017
- 末次大輔; 杉岡裕子; 伊藤亜妃; 多田訓子; 市原寛; 清水祥伽; 三浦誠一; 羽生毅; 石原靖; 田中聡; 大林政行; 一瀬建日; 馬場聖至; 塩原肇; 歌田久司; 中西正男; 伊藤誠; 野口直人; 三浦亮; 渡会勇太; 鈴木瑛江; 柴田玄洋; 徳長航; 稲垣孝一; 森岡美樹
 オントンジャワ海台の構造と形成過程の解明(MR14-06レグ1,2)
 ブルーアース要旨集, 2016
 2016
- OBAYASHI Masayuki; YOSHIMITSU Junko; SUGIOKA Hiroko; ITO Aki; ISSE Takehi; SHIOBARA Hajime; SUETSUGU Daisuke
 P-wave velocity anomalies of the plume beneath the French Polynesia
 日本地球惑星科学連合大会予稿集(Web), 2015
 2015
- Daisuke Suetsugu; Toru Inoue; Akira Yamada; Dapeng Zhao; Masayuki Obayashi
 Towards Mapping the Three-Dimensional Distribution of Water in the Transition Zone from P-Velocity Tomography and 660-Km Discontinuity Depths
 Earth's Deep Water Cycle, 19 Mar. 2013
 237, 249
- SUETSUGU D.; TANAKA S.; OBAYASHI M.; ISSE T.; SHIOBARA H.; SUGIOKA H.; BARRUOL G.; YOSHIMITSU J.; KANAZAWA T.; FUKAO Y.
 Seismic image of the South Pacific superplume in the whole mantle
 日本地震学会秋季大会講演予稿集, 2007
 2007
- 笠原 敬司; 井上 公; 根岸 弘明; 宮川 幸治; 雷 楓; 坂無 雅子; 坪井 誠司; 大林 政行; 一瀬 建日; 神谷 真一郎; 東野 陽子
 (37) 太平洋域地球内部観測ネットワーク・データの統合的解析による地球内部構造の解明(5 共同研究,I 研究活動)
 防災科学技術研究所年報, 29 Oct. 2002
 13, 146, 146
Presentations
- Sirawich Pipatprathanporn; Joel D. Simon; Frederik J Simons; Yann Hello; Guust Nole; Karin Sigloch; Masayuki Obayashi; Shigeki Hosoda; Yongshun John Chen; The EarthScope-Ocean Consortium
 Twenty Years of MERMAID: Mobile Marine Sensors for Terrestrial Seismology and Oceanic Acoustics
 AGU Fall Meeting 2024, 12 Dec. 2024
- Frederik J Simons; Guust Nole; Carlos Becerril; Sebastien Bonnieux; Bá Hoàng Nguyễn; Yuko Kondo; Fanchao Kong; Masayuki Obayashi; Karin Sigloch; Sirawich Pipatprathanporn; Joel D. Simon; Hiroko Sugioka; Junko Yoshimitsu; Qiunling Zhang; The EarthScope-Oceans Consortium
 Six Years in the Pacific: Seismic Waveforms and Traveltimes for Mantle Tomography from MERMAID
 AGU24, 12 Dec. 2024
- Toshiya Fujiwara; Kentaro Imai; Masayuki Obayashi; Kenta Yoshida; Noriko Tada; Koichiro Obana; Gou Fujie; Shigeaki Ono; Shuichi Kodaira
 The Sofu Seamount Submarine Volcano Present in the Source Area of the October 2023 Earthquakes and Tsunamis in Japan
 AGU24, 11 Dec. 2024
- 大林政行; 吉光淳子; 山本揚二朗; 伊藤亜妃; 石原 靖; 田中 聡; 中道治久; 八木原 寛; 仲谷幸浩; 杉岡裕子; 大塚宏徳; 松野哲男; 島 伸和
 グローバルトモグラフィーによる鬼界カルデラ周 辺の P 波速度構造
 日本火山学会 2024 年度秋季大会, 16 Oct. 2024
- 山本揚二朗; 伊藤亜妃; 石原 靖; 大林政行; 田中 聡; 中道治久; 八木原 寛; 仲谷幸浩; 杉岡裕子; 大塚宏徳; 松野哲男; 島 伸和
 地震波トモグラフィによる鬼界カルデラのマグマ 供給系イメージング
 日本火山学会 2024 年度秋季大会, 16 Oct. 2024
- 尾鼻 浩一郎; 伊藤 亜妃; 中島 倫也; 富士原 敏也; 大林 政行; 田中 聡; 吉田 健太; 多田 訓子; 今井 健太郎; 松本 浩幸; 中村 恭之; 藤江 剛; 小野 重明; 小平 秀一
 Earthquake activities near the Sofu Seamount with possible relations to Tsunamis observed in October 2023
 JpGU 2024, 31 May 2024
- 富士原 敏也; 今井 健太郎; 大林 政行; 吉田 健太; 多田 訓子; 尾鼻 浩一郎; 藤江 剛; 小野 重明; 小平 秀一
 2023年10月9日地震津波の波源域にある孀婦海山
 JpGU 2024, 31 May 2024, [Invited]
- 山本 揚二朗; 伊藤 亜妃; 石原 靖; 大林 政行; 田中 聡; 中道 治久; 八木原 寛; 仲谷 幸浩; 杉岡 裕子; 大塚 宏徳; 松野 哲男; 島 伸和
 海陸自然地震観測による鬼界カルデラの地震波速度構造
 JpGU 2024, 31 May 2024
- 大林 政行
 T-phases from events to the west of Sofugan on October 8, 2023
 JpGU 2024, 27 May 2024, [Invited]
- Dalija Namjesnik; Karin Sigloch; Joel D. Simon; Tom Garth; James Harris; Dmitry Storchak; Frederik. J. Simons; Sébastien Bonnieux; Yong Yu; Masayuki Obayashi
 Re-location and integration into the ISC Bulletin of earthquakes recorded by hydro-acoustic MERMAID instruments freely floating in the South Pacific Ocean
 EGU 2024, 18 Apr. 2024
