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Kazushige Obara

Kazushige Obara

D-Index & Metrics

Earth Science

D-Index
60
Citations
15299
World Ranking
1871
National Ranking
41

Overview

Kazushige Obara is affiliated with the University of Tokyo in Japan and has contributed extensively to the fields of Earth and Planetary Sciences and Computer Science. Their work intersects geophysics and artificial intelligence, with a particular focus on earthquake and tectonic studies.

Their research spans multiple specialized areas, including:

  • Earthquake and tectonic studies
  • Seismology and earthquake studies
  • Earthquake detection and analysis
  • High-pressure geophysics and materials
  • Geological and geochemical analysis
  • Seismic waves and analysis
  • Bayesian methods and mixture models

Kazushige Obara's notable recent publications include:

  • "Slow Earthquakes Illuminating Interplate Coupling Heterogeneities in Subduction Zones," 2020, Geophysical Research Letters
  • "Spatiotemporal Variations of Shallow Very Low Frequency Earthquake Activity Southeast Off the Kii Peninsula, Along the Nankai Trough, Japan," 2022, Journal of Geophysical Research Solid Earth
  • "Characteristic Activities of Slow Earthquakes in Japan," 2020, Proceedings of the Japan Academy Series B
  • "Spatiotemporal Characteristics of Relocated Deep Low-Frequency Earthquakes Beneath 52 Volcanic Regions in Japan Over an Analysis Period of 14 Years and 9 Months," 2021, Journal of Geophysical Research Solid Earth
  • "Shallow Slow Earthquake Episodes Near the Trench Axis off Costa Rica," 2021, Journal of Geophysical Research Solid Earth

The venues where Kazushige Obara most frequently publishes include:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Geophysical Research Solid Earth
  • Geophysical Research Letters
  • Science Advances
  • Proceedings of the Japan Academy Series B

Frequent collaborators in their research are:

  • Shunsuke Takemura
  • Satoru Baba
  • Akiko Takeo
  • Akemi Noda
  • Ryo Kurihara

Kazushige Obara's research is primarily grounded in geophysical phenomena with strong emphasis on earthquake detection, slow earthquakes characterization, and spatiotemporal seismic activity. Their interdisciplinary approach often integrates computational methods, including artificial intelligence techniques, to analyze seismic signals and complex earth processes.

Best Publications

  • Nonvolcanic Deep Tremor Associated with Subduction in Southwest Japan

    Unknown

  • Recent progress of seismic observation networks in Japan —Hi-net, F-net, K-NET and KiK-net—

    Yoshimitsu Okada;Keiji Kasahara;Sadaki Hori;Kazushige Obara

  • Propagation of slow slip leading up to the 2011 M(w) 9.0 Tohoku-Oki earthquake.

    Aitaro Kato;Kazushige Obara;Toshihiro Igarashi;Hiroshi Tsuruoka

  • Connecting slow earthquakes to huge earthquakes

    Kazushige Obara;Aitaro Kato

  • Episodic slow slip events accompanied by non‐volcanic tremors in southwest Japan subduction zone

    Kazushige Obara;Hitoshi Hirose;Fumio Yamamizu;Keiji Kasahara

  • Slow earthquakes coincident with episodic tremors and slow slip events.

    Yoshihiro Ito;Kazushige Obara;Katsuhiko Shiomi;Shutaro Sekine

  • A densely distributed high-sensitivity seismograph network in Japan: HI-net by National Research Institute for Earth Science and Disaster Prevention

    Kazushige Obara;Keiji Kasahara;Sadaki Hori;Yoshimitsu Okada

  • Separation of scattering and intrinsic attenuation for the Kanto-Tokai region, Japan, using measurements of S-wave energy versus hypocentral distance

    Michael Fehler;Mitsuyuki Hoshiba;Haruo Sato;Kazushige Obara

  • Repeating short- and long-term slow slip events with deep tremor activity around the Bungo channel region, southwest Japan

    Unknown

  • Decade‐scale decrease inb value prior to the M9‐class 2011 Tohoku and 2004 Sumatra quakes

    K. Z. Nanjo;N. Hirata;K. Obara;K. Kasahara

  • Three-dimensional P- and S-wave velocity structures beneath the Japan Islands obtained by high-density seismic stations by seismic tomography

    Makoto Matsubara;Kazushige Obara;Keiji Kasahara

  • Very low frequency earthquakes within accretionary prisms are very low stress‐drop earthquakes

    Yoshihiro Ito;Kazushige Obara

  • Phenomenology of deep slow earthquake family in southwest Japan: Spatiotemporal characteristics and segmentation

    Kazushige Obara

  • Non-volcanic deep low-frequency tremors accompanying slow slips in the southwest Japan subduction zone

    Unknown

  • Very low frequency earthquakes excited by the 2004 off the Kii peninsula earthquakes : A dynamic deformation process in the large accretionary prism

    Kazushige Obara;Yoshihiro Ito

  • A normal-faulting seismic sequence triggered by the 2011 off the Pacific coast of Tohoku Earthquake: Wholesale stress regime changes in the upper plate

    Aitaro Kato;Shin’ichi Sakai;Kazushige Obara

  • Dynamic deformation of the accretionary prism excites very low frequency earthquakes

    Yoshihiro Ito;Kazushige Obara

  • Spatiotemporal distribution of seismic energy radiation from low-frequency tremor in western Shikoku, Japan

    Takuto Maeda;Kazushige Obara

  • Three-dimensional crustal S wave velocity structure in Japan using microseismic data recorded by Hi-net tiltmeters

    K. Nishida;H. Kawakatsu;K. Obara

  • Detection of short-term slow slip events along the Nankai Trough, southwest Japan, using GNSS data

    Takuya Nishimura;Takuya Nishimura;Takanori Matsuzawa;Kazushige Obara

  • Migrating tremor off southern Kyushu as evidence for slow slip of a shallow subduction interface

    Y. Yamashita;H. Yakiwara;Y. Asano;Hiroshi Shimizu

  • Depth‐dependent activity of non‐volcanic tremor in southwest Japan

    Kazushige Obara;Sachiko Tanaka;Takuto Maeda;Takanori Matsuzawa

  • Successive estimation of a tsunami wavefield without earthquake source data: A data assimilation approach toward real-time tsunami forecasting

    Takuto Maeda;Kazushige Obara;Masanao Shinohara;Toshihiko Kanazawa

  • Modeling short- and long-term slow slip events in the seismic cycles of large subduction earthquakes

    Takanori Matsuzawa;Hitoshi Hirose;Bunichiro Shibazaki;Kazushige Obara

  • Background Love and Rayleigh waves simultaneously generated at the Pacific Ocean floors

    Kiwamu Nishida;Hitoshi Kawakatsu;Yoshio Fukao;Kazushige Obara

  • Characteristics and interactions between non-volcanic tremor and related slow earthquakes in the Nankai subduction zone, southwest Japan

    Kazushige Obara

Frequent Co-Authors

Takuto Maeda
Takuto Maeda Hirosaki University
Aitaro Kato
Aitaro Kato University of Tokyo
Naoshi Hirata
Naoshi Hirata University of Tokyo
Haruo Sato
Haruo Sato Tohoku University
Toru Matsuzawa
Toru Matsuzawa Tohoku University
Kiwamu Nishida
Kiwamu Nishida University of Tokyo
Takaya Iwasaki
Takaya Iwasaki University of Tokyo
Tomomi Okada
Tomomi Okada Tohoku University
Bogdan Enescu
Bogdan Enescu Kyoto University
Norihito Umino
Norihito Umino Tohoku University

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