Natural sciences, Solid earth science

Hisayoshi Shimizu; Yasushi Ishihara; Rennie Vaiomounga; Taaniela Kula
Magnetic field variations in Tongatapu caused by Hunga Tonga–Hunga Ha’apai volcanic activity in January 2022
Earth, Planets and Space, 27 Nov. 2025
77, 1

Lalit Arya; Shu‐Huei Hung; Ramakrushna Reddy; Ban‐Yuan Kuo; Ching‐Ren Lin; Pei‐Ying Patty Lin; Shuichi Kodaira; Yasushi Ishihara
Microseisms and Their Relationship With Solid Earth, Ocean, and Atmospheric Dynamics: Insights From Ocean Bottom Seismometer Observations in the Northern Okinawa Trough‐Ryukyu Arc‐Trench System
Journal of Geophysical Research: Solid Earth, 26 Nov. 2025
130, 12

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

Yojiro Yamamoto; Aki Ito; Yasushi Ishihara; Masayuki Obayashi; Satoru Tanaka; Haruhisa Nakamichi; Hiroshi Yakiwara; Yukihiro Nakatani; Hiroko Sugioka; Hironori Otsuka; Tetsuo Matsuno
Magmatic system of the Kikai submarine caldera, SW Japan, imaged by passive seismic tomography
Journal of Volcanology and Geothermal Research, Sep. 2025
465, 108369, 108369

Mamoru Nakamura; Ban-Yuan Kuo; Pei-Ying Patty Lin; Shuichi Kodaira; Yasushi Ishihara
Spatiotemporal distribution and seismic interaction of very-low-frequency earthquakes in the northern Ryukyu Trench
EARTH PLANETS AND SPACE, 27 Dec. 2024
76, 1

Kai-Xun Chen; Ban-Yuan Kuo; Ting-Jun Lin; Pei-Ying Patty Lin; Yuancheng Gung; Eh Tan; Shuichi Kodaira; Yasushi Ishihara; Mamoru Nakamura; Ryuta Arai; Fang-Yi Lee; Shu-Huei Hung; Kate Huihsuan Chen; Ching-Ren Lin; Chau-Chang Wang
Shear-Dominant Continental Rifting in Northern Ryukyu Revealed by Ambient Noise Tomography
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Nov. 2024
129, 11

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, Jan. 2023
334

Tsutomu Takahashi; Yuka Kaiho; Yasushi Ishihara; Koichiro Obana; Seiichi Miura; Shuichi Kodaira; Yoshiyuki Kaneda
Trans-dimensional imaging of the random inhomogeneity structure in the southern Ryukyu arc, Japan
GEOPHYSICAL JOURNAL INTERNATIONAL, 12 Feb. 2022
229, 2, 1392, 1407

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, 24 May 2021
2, 1

Toshiki Ohtaki; Satoru Tanaka; Satoshi Kaneshima; Weerachai Siripunvaraporn; Songkhun Boonchaisuk; Sutthipong Noisagool; Kenji Kawai; Taewoon Kim; Yuki Suzuki; Yasushi Ishihara; Koji Miyakawa; Nozomu Takeuchi
Seismic velocity structure of the upper inner core in the north polar region
PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Feb. 2021
311

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

Yuki Suzuki; Kenji Kawai; Robert J. Geller; Satoru Tanaka; Weerachai Siripunvaraporn; Songkhun Boonchaisuk; Sutthipong Noisagool; Yasushi Ishihara; Taewoon Kim
High-resolution 3-D S-velocity structure in the D" region at the western margin of the Pacific LLSVP: Evidence for small-scale plumes and paleoslabs
PHYSICS OF THE EARTH AND PLANETARY INTERIORS, Oct. 2020
307

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, Sep. 2020
222, 3, 1542, 1554

Yojiro Yamamoto; Tsutomu Takahashi; Yasushi Ishihara; Koichiro Obana; Seiichi Miura; Shuichi Kodaira; Yoshiyuki Kaneda
Plate geometry model and seismicity in the northern Ryukyu subduction zone, Japan, deduced from amphibious seismic observations
EARTH AND PLANETARY SCIENCE LETTERS, 15 Apr. 2020
536

Daisuke Suetsugu; Hajime Shiobara; Hiroko Sugioka; Aki Ito; Takehi Isse; Yasushi Ishihara; Satoru Tanaka; Masayuki Obayashi; Takashi Tonegawa; Junko Yoshimitsu; Takumi Kobayashi
High Q_ScS beneath the Ontong Java Plateau
EARTH PLANETS AND SPACE, 06 Sep. 2019
71, 1

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
[Reviewed]

Y. Yamamoto; T. Takahashi; Y. Ishihara; Y. Kaiho; R. Arai; K. Obana; A. Nakanishi; S. Miura; S. Kodaira; Y. Kaneda
Modeling the Geometry of Plate Boundary and Seismic Structure in the Southern Ryukyu Trench Subduction Zone, Japan, Using Amphibious Seismic Observations
Journal of Geophysical Research: Solid Earth, 28 Feb. 2018
123, 2, 1793, 1809

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
[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, 21 Mar. 2017
69

Ryuta Arai; Tsutomu Takahashi; Shuichi Kodaira; Yuka Kaiho; Ayako Nakanishi; Gou Fujie; Yasuyuki Nakamura; Yojiro Yamamoto; Yasushi Ishihara; Seiichi Miura; Yoshiyuki Kaneda
Structure of the tsunamigenic plate boundary and low-frequency earthquakes in the southern Ryukyu Trench
NATURE COMMUNICATIONS, Jul. 2016
7

Takeshi Mikumo; Milton Garces; Takuo Shibutani; Wataru Morii; Takashi Okawa; Yasushi Ishihara
Acoustic-gravity waves from the source region of the 2011 great Tohoku earthquake (Mw=9.0)
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Apr. 2013
118, 4, 1534, 1545

Hiroko Sugioka; Taro Okamoto; Takeshi Nakamura; Yasushi Ishihara; Aki Ito; Koichiro Obana; Masataka Kinoshita; Kazuo Nakahigashi; Masanao Shinohara; Yoshio Fukao
Tsunamigenic potential of the shallow subduction plate boundary inferred from slow seismic slip
NATURE GEOSCIENCE, Jun. 2012
5, 6, 414, 418

Takeshi Nakamura; Yasushi Ishihara; Yoshiko Yamanaka; Yoshiyuki Kaneda
Source process for complex fault system of the 2007 Chuetsu-oki, Niigata, Japan, earthquake
EARTH PLANETS AND SPACE, 2009
61, 2, 273, 278

Sadaki Hori; Yoshio Fukao; Naoki Suda; Yasushi Ishihara; Takuo Shibutani; Kazuro Hirahara
Local network observation of the Earth's free oscillations: Apparent centroid of the 1989 MacQuarie Ridge Earthquake
Geophysical Research Letters, 1993
20, 5, 395, 398
[Reviewed]

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
Imaging magma supply system of Kikai caldera by seismic tomography
日本火山学会講演予稿集, 2024
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
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

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
Seismic velocity structure of Kikai caldera based on amphibious passive seismic observations
日本火山学会講演予稿集, 2023
2023 (Web)

KOBAYASHI N.; SHIRAISHI H.; MURAKAMI H.; TAKEUCHI N.; OKAMOTO T.; KUGE K.; YAMADA R.; OGAWA K.; KAKUMA H.; ISHIHARA Y.; ARAKI E.; ZAO D.; IIJIMA Y.; KAWAMURA T.; SHIRAI K.; HAYAKAWA M.; FUJIMURA A.; YAMADA I.
SELENE-2 Lunar BroadBand Seismometer Observation
Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences, 05 Sep. 2011
2011, 17, 17

YOSHIDA Yasuhiro; KANJO Kenji; HARADA Satoshi; FUJIWARA Kenji; OHTAKI Toshiki; TANAKA Akiko; KANESHIMA Satoshi; SUETSUGU Daisuke; KAMIYA Shin'cihiro; ISHIHARA Yasushi; TAKENAKA Hiroshi; SAITA Tomoharu; FUJII Yushiro
Installation Experiment of Broadband Seismometers in Shallow Vaults
Zisin (Journal of the Seismological Society of Japan. 2nd ser.), 2001
54, 9-16, 1, 9, 16