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論文 (120件)
- Ogasawara, H, Y. Mima, A. Ishida, S. Mngadi, M. Higashi, Y. Yabe, A. Funato, T. Ito, M. Nakatani, R. Durrheim. A Trial Evaluation of Rock Core DCDA Absolute Shear Stress Measurement for Routine Quantitative Mining Hazard Assessment in Deep Underground High Stress Mines. Material Transactions. 2024. 65. 817-823
- Yasuo Yabe, Hiroshi Ogasawara, Raymond Durrheim. Frictional properties of the fault hosting aftershocks of the 2014 Orkney earthquake (M5.5), South Africa, and proposal of a new drilling project PROTEA to probe the heart of the earthquake. 2024
- 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
- 小笠原 宏, 美間 良大, 石田 亮壮, Siyanda MNGADI, 東 充也, 矢部 康男, 船戸 明雄, 伊藤 高敏, 中谷 正生, Raymond DURRHEIM. 大深度高応力鉱山でのルーチン的な採掘ハザード定量化に資しうる岩盤コア絶対差応力DCDA測定法の試評価. 材料. 2022. 71. 3. 259-264
- S. B. Mngadi, A. Tsutsumi, Y. Onoe, M. S.D. Manzi, R. J. Durrheim, Y. Yabe, H. Ogasawara, S. Kaneki, N. Wechsler, A. K. Ward, et al. The effect of a gouge layer on rupture propagation along brittle shear fractures in deep and high-stress mines. International Journal of Rock Mechanics and Mining Sciences. 2020. 137
- Yabe, Y., S. Abe, T. Ito, A. Ishida, K. Sugimura, M. Kanematsu, M. Higashi, R. Tadokoro, H. Ogasawara, et al. In-situ stress around source faults of seismic events in and beneath South African deep gold mines. Proceedings of the 9th International Congress on Deep and High Stress Mining, Symposium Series S98, Southern African Institute of Mining and Metallurgy. 2019. 399-411
- Ogasawara, H., B. Liebenberg, M. Rickenbacher, M. Ziegler, V.H. Esterhuizen, T.C. Onstott, R.J. Durrheim, M.S.D. Manzi, S. Mngadi, et al. 2019 status report: Drilling into seismogenic zones of M2.0-M5.5 earthquakes in South African gold mines (DSeis project). Proceedings of the 9th International Congress on Deep and High Stress Mining. 2019. 375-384
- Ogasawara, H., A. Ishida, K. Sugimura, Y. Yabe, S. Abe, T. Ito, A. Funato, H. Kato, B. Liebenberg, et al. [Keynote lecture] Spatial variation in stress in seismogenic zones in South African gold mines. Proceedings of the 2019 Rock Dynamics Summit in Okinawa, A specialized conference of ISRM. 2019. 39-44
- S. B. Mngadi, R. J. Durrheim, M. S.D. Manzi, H. Ogasawara, Y. Yabe, H. Yilmaz, N. Wechsler, G. Van Aswegen, D. Roberts, A. K. Ward, et al. Integration of underground mapping, petrology, and high-resolution microseismicity analysis to characterise weak geotechnical zones in deep South African gold mines. International Journal of Rock Mechanics and Mining Sciences. 2019. 114. 79-91
- Junya Yamaguchi, Makoto Naoi, Masao Nakatani, Hirokazu Moriya, Toshihiro Igarashi, Osamu Murakami, Yasuo Yabe, Raymond Durrheim, Hiroshi Ogasawara. Emergence and disappearance of very small repeating earthquakes on a geological fault in a gold mine in South Africa. TECTONOPHYSICS. 2018. 747. 318-326
- 小笠原宏・矢部康男・伊藤高敏・廣野哲朗. ICDP DSeis Project 南アフリカ金鉱山マグニチュード2〜5.5の地震発生場の掘削に成功!?. J-DESCニュースレター. 2018. 9. 14
- Moyer, P.A, M. S. Boettcher, W.L. Ellsworth, H. Ogasawara. Call for Models-A Test Case for the Source Inversion Validation: The 2014 ML 5.5 Orkney, South Africa, Earthquake. Seismol. Res. Lett. 2017. 88. 5. 1333-1338
- 阿部周平・矢部康男・伊藤高敏・中谷正生・Gerhard Hofmann・小笠原宏. コア変形法による南アフリカ金鉱山誘発地震震源域の応力状態推定. 第14回岩の力学国内シンポジウム講演集. 2017. 講演番号107. 1-6
- R. J. Durrheim, H. Ogasawara, M. Nakatani, Y. Yabe, M. Naoi, H. Moriya, A. Cichowicz, T. Satoh, H. Kawakata, A. Milev, et al. Observational studies in South African mines to mitigate seismic risks: challenges and achievements. ISRM AfriRock - Rock Mechanics for Africa. 2017. 2017-October. 175-188
- H. Ogasawara, R. J. Durrheim, Y. Yabe, T. Ito, G. van Aswegen, M. Grobbelaar, A. Funato, A. Ishida, H. Ogasawara, S. Mngadi, et al. Drilling into seismogenic zones of M2.0 - M5.5 earthquakes from deep South African gold mines (DSeis): establishment of research sites. ISRM AfriRock - Rock Mechanics for Africa. 2017. 2017-October. 237-248
- Naoi, M, M. Nakatani, T. Igarashi, K. Otsuki, Y. Yabe, T. Kgarume, O. Murakami, T. Masakale, L. Ribeiro, A. Ward, et al. Unexpectedly frequent occurrence of very small repeating earthquakes (-5.1 ≤ MW ≤ -3.6) in a South African gold mine: implications for monitoring intraplate faults. J. Geophys. Res. 2015. 120. 12. 8478-8493
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