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J-GLOBAL ID：200901093127797176   Update date: Feb. 14, 2024

OGASAWARA Hiroshi

オガサワラ ヒロシ | OGASAWARA Hiroshi
Affiliation and department：
Ritsumeikan University College of Science and Engineering Department of Physical Sciences

About Ritsumeikan University College of Science and Engineering Department of Physical Sciences


Job title： Professor
Research field  (1)： Solid earth science
Research keywords  (10)： テクトニクス ,  地震 ,  間隙水圧 ,  鉱山地震 ,  Rock Mechanics ,  Mine seismology ,  Induced Seismicity ,  Hypocenter Near-field Monitoring ,  Physics of Solid Earth ,  Physics of Solid Earth, Hypocenter Near-field Monitoring, Induced Seismicity, Mine seismology, Rock Mechanics
Research theme for competitive and other funds  (19)：
  • 2022 - 2025 火星生命検出に向けたアナログ岩石研究ー超塩水を伴う太古代の岩石からのアプローチ
  • 2019 - 2024 災害の軽減に貢献するための地震火山観測研究計画(第二次) 課題RTM01「南アフリカ大深度金鉱山からの地震発生場における応力と物質の直接調査」
  • 2017 - 2022 Kinetically Activated Subsurface Micribial Sampler (KASMS) 1739151
  • 2017 - 2020 Research cooperation between ICDP projects to drill into seismic zones in South Africa and India
  • 2016 - 2016 ICDP Workshop Drilling into Seismogenic Zones of M2.0-5.5 earthquakes in South African Gold mines
Show all
Papers (118)：
  • Nisson, D.M., T.L. Kieft, H. Drake, O. Warr, B. Sherwood Lollar, H.Ogasawara, S.M. Perl, B.M. Friefeld, J. Castillo, et al. Hydrogeochemical and isotopic signatures elucidate deep subsurface hypersaline brine formation through radiolysis driven water-rock interaction. Geochimica et Cosmochimica Acta. 2023. 340. 65-84
  • Miyamoto, T., T. Hirono, Y. Yokoyama, S. Kaneki, Y. Yamamoto, T. Ishikawa, A. Tsuchiyama, I. Katayama, Y. Yabe, et al. Characteristics of fault rocks within the aftershock cloud of the 2014 Orkney earthquake (M5.5) beneath the Moab Khotsong gold mine, South Africa. Geophysical Research Letters. 2022. 49. 14. e2022GL098745
  • Nkosi, N.Z., M.S.D. Manzi, M. Westgate, D. Roberts, R.J. Durrheim, H. Ogasawara, M. Ziegler, M. Rickenbacher, B. Liebenberg, et al. Physical property studies to elucidate the source of seismic reflectivity within the ICDP DSeis seismogenic zone: Klerksdorp goldfield, South Africa. International Journal of Rock Mechanics and Mining Sciences. 2022. 155
  • Mngadi, S.B., M.D. Manzi, N.Z. Nkosi, R. J. Durrheim, Y. Yabe, A. Tsutsumi, and H. Ogasawara. Micro- and macro-structural investigations of faulting in deep South African gold mines. Proc. 10th Int. Symp. Rockburst and Seismicity in Mines 2022. 2022. RASIM22-0307
  • Yasuo Yabe, Shuhei Abe, Gerhard Hofmann, Dave Roberts, Halil Yilmaz, Hiroshi Ogasawara, Takatoshi Ito, Akio Funato, Masao Nakatani, Makoto Naoi, et al. Stress State in the Source Region of Mw2.2 Earthquake in a Deep Gold Mine in South Africa Determined from Borehole Cores. PURE AND APPLIED GEOPHYSICS. 2022
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MISC (55)：
  • Ogasawara, H., Y. Yabe, B. Liebenberg, R.J. Durrheim, T.C. Onstott, T.L. Kieft, D. Nisson, J. Catilo, A. Gómez-Arias, et al. [Keynote] ICDP drilling into the upper fringe of the aftershock zone of the 2014 Orkney M5.5 earthquake that ruptured an almost entire depth range of the West Rand Group. Abstracts, GeoCongress. 2023
  • Ogasawara, H., Y. Yabe, R. Durrheim, M. Manzi. Studies of earthquakes and deep life in deep South African gold mines. Abstracts, the 5th South Africa-Japan University Forum, 28-29 July 2022. 2022. 83-86
  • Castilo, J., A. Gómez-Arias, J Alom, D Nisson, T Kieft, Y Suzuki, A Urai, H Ogasawara. Life in a hypersaline subsurface ecosystem analogous to subsurface martian environments. Abstracts, the 5th South Africa-Japan University Forum, 28-29 July 2022. 2022. 87-92
  • 小笠原 宏, DSeis Team. [招待講演] 南アフリカ金鉱山地下3 kmの非天水超塩水環境下の太古代珪長質変成堆積岩と苦鉄質・超苦鉄質の貫入変質岩. JpGU Abstracts. 2022. BGM02-06
  • Ogasawara, H., A. Ishida, K. Sugimura, Y. Yabe, S. Abe, T. Ito, A. Funato, H. Kato, B. Liebenberg, et al. [Keynote lecture] South African gold mines as invaluable laboratory deep underground for geoscience. 15th AfricaArray Scientific Meeting Abstracts. 2021
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Books (1)：
  • Seismogenic Process Monitoring: Proceedings of a Joint Japan-Poland Symposium on Mining and Experimental Seismology, Kyoto, Japan, November 1999
    Balkema (Taylor & Francis Group) 2002 ISBN:9780203739990
Lectures and oral presentations  (228)：
  • Radiolysis-Driven Evolution of an Ancient Subsurface Habitable Brine in the Witwatersrand Basin, South Africa
    (Goldschmidt 2023 2023)
  • DSeis Report 3: 地下約3 kmの非天水環境下における超塩水/地震を伴う苦鉄質/超苦鉄質の隣接ダイクの孔内物理検層と回収コアの地震波速度測定の比較
    (JpGU 2022 2022)
  • DSeis Report 2 地下約3 kmの非天水環境下における超塩水/地震を伴う苦鉄質/超苦鉄質の隣接ダイクの物理化学特性
    (JpGU 2022 2022)
  • ICDP DSeis Report 1: 南アフリカ金鉱山地震発生場掘削計画2021年度の活動報告
    (JpGU 2022 2022)
  • DSeis Report 5: M5.5 Orkney地震の余震発生帯上縁部周辺での452個のコアのDCDA応力測定のまとめ
    (JpGU 2022 2022)
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Education (3)：
  • - 1988 Kyoto University Graduate School, Division of Natural Science Department of Geophysics
  • - 1988 Kyoto University "Graduate School, Division of Natural Science" Department of Geophysics
  • - 1981 Kyoto University Faculty of Science
Professional career (1)：
  • Doctor of Science (Kyoto University)
Association Membership(s) (4)：
The Seismological Society of Japan ,  The Geodetic Society of Japan ,  Seismological Society of America ,  American Geophysical Union
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