Researcher Information
researchmap URL
Research activity information
Papers
- Azusa Shito; Daisuke Suetsugu; Akira Ishikawa; Masako Yoshikawa; Takehi Isse; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu
Dike Swarms in the Oceanic Lithosphere Beneath the Ontong Java Plateau
GEOPHYSICAL RESEARCH LETTERS, 30 Sep. 2025
52, 19 - Guust Nolet; Nguyen Ba Hoang; Sébastien Bonnieux; Yuko Kondo; Fanchao Kong; Masayuki Obayashi; Sirawich Pipatprathanporn; Karin Sigloch; Joel D. Simon; Frederik J. Simons; Hiroko Sogioka; Junko Yoshimitsu; Qinling Zhang
Picking first arrivals in hydroacoustic seismograms from MERMAID floats
Seismica, 25 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 - 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
[] - 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, 28 Oct. 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, May 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
[] - 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
[] - 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
[] - T. Tonegawa; S. Miura; A. Ishikawa; T. Sano; D. Suetsugu; T. Isse; H. Shiobara; H. Sugioka; A. Ito; Y. Ishihara; S. Tanaka; M. Obayashi; J. Yoshimitsu; T. Kobayashi
Characterization of Crustal and Uppermost‐Mantle Seismic Discontinuities in the Ontong Java Plateau
Journal of Geophysical Research: Solid Earth, 30 Jul. 2019
124, 7, 7155, 7170
[] - Daisuke Suetsugu; Hajime Shiobara; Hiroko Sugioka; Noriko Tada; Aki Ito; Takehi Isse; Kiyoshi Baba; Hiroshi Ichihara; Toyonobu Ota; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu; Takumi Kobayashi; Hisashi Utada
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
[] - Masayuki Obayashi; Yoshio Fukao; Junko Yoshimitsu
Unusually deep Bonin earthquake of 30 May 2015: A precursory signal to slab penetration?
Earth and Planetary Science Letters, Feb. 2017 - Junko Yoshimitsu; Masayuki Obayashi
A database of global seismic travel times
JAMSTEC Report of Research and Development, 2017 - Masayuki Obayashi; J. Yoshimitsu; Hiroko Sugioka; Aki Ito; T. Isse; Hajime Shiobara; Dominique Reymond; Daisuke Suetsugu
Mantle plumes beneath the South Pacific superswell revealed by finite frequency P tomography using regional seafloor and island data
Geophysical Research Letters, 28 Nov. 2016 - 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, 16 Nov. 2013 - 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 - Junko Yoshimitsu; Masayuki Obayashi; Yoshio Fukao
Development of the global seismic travel time database at JAMSTEC/IFREE
JAMSTEC Report of Research and Development, 2009 - 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
[] - 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, 15 Mar. 2006
Misc.
- 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
P-wave velocity structure around Kikai Caldera obtained by a global tomography
日本火山学会講演予稿集, 2024
2024 - 大林政行; 近藤優子; 吉光淳子; 村上聡; 杉岡裕子; SIMON Joel D
P-waves recorded by MERMAID floats in the South Pacific
日本地震学会秋季大会講演予稿集(CD-ROM), 2023
2023
Presentations
- 大林政行; 高橋朋子; 細田滋毅; 吉光淳子; 杉岡裕子
自律型海域火山観測ロボットの開発
日本火山学会 2025 年度秋季大会, 01 Oct. 2025 - 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
AGU2024, 12 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
