H. Ogasawara

发表

Can mine tremors be predicted? Observational studies of earthquake nucleation, triggering and rupture in South African mines

R. Durrheim, H. Ogasawara, 2012 .

Stress drops and radiated seismic energies of microearthquakes in a South African gold mine

Hiroshi Ogasawara, Jim Mori, Masao Nakatani, 2007 .

The Flexure in the Uppermost Crust and the Shear Force at Depth Estimated from In Situ Stress Measurements

H. Ogasawara, 1989 .

Repeated Measurements of In-Situ Three-Dimensional Stress by Hydraulic Fracturing Method in Small Boreholes: Rokko-Suwayama Test Site@@@六甲諏訪山実験坑

Y. Kuroishi, Tomokazu Takeuchi, Y. Mizuta, 1988 .

Coseismic And Aseismic Deformations Associated With Mining-induced Seismic Events Located In Deep Level Mines In South Africa

M. Nakatani, A. Milev, R. Durrheim, 2013 .

Multidisciplinary Monitoring of the Entire Life Span of an Earthquake in South African Gold Mines

Hiroshi Ogasawara, Hiroshi Ishii, Kinichiro Kusunose, 2005 .

Monitoring of Rock Mass Behavior at the Closest Proximity to Hypocenters in South African Gold Mines

H. Ogasawara, 2007 .

Semi-controlled Earthquake-generation Experiments to Monitor the Entire Life Span of an Earthquake in South African Deep Gold Mines

O. Kuwano, M. Nakatani, A. Kato, 2004 .

A Simple Analogue Experiment to Account for Power-law and Exponential Decays of Earthquake Sequences

H. Ogasawara, 2002 .

Integration of underground mapping, petrology, and high-resolution microseismicity analysis to characterise weak geotechnical zones in deep South African gold mines

M. Nakatani, H. Moriya, G. Aswegen, 2019, International Journal of Rock Mechanics and Mining Sciences.

Stress State in the Source Region of Mw2.2 Earthquake in a Deep Gold Mine in South Africa Determined from Borehole Cores

M. Nakatani, R. Durrheim, M. Naoi, 2022, Pure and Applied Geophysics.

Dynamic Strain in a South African Gold Mine Produced by the 2011 Tohoku Earthquake

S. Nakao, A. Ward, H. Ogasawara, 2015 .

Statistics of the Seismic Sequence and Rupture Directivity of the M5.5 Earthquake in Orkney, South Africa

S. Shapiro, C. Dinske, J. Kummerow, 2020 .

Frequency–Magnitude Distribution of −3.7 ≤ MW ≤ 1 Mining-Induced Earthquakes Around a Mining Front and b Value Invariance with Post-Blast Time

Hiroshi Ogasawara, Yasuo Yabe, Masao Nakatani, 2014, Pure and Applied Geophysics.

The effect of a gouge layer on rupture propagation along brittle shear fractures in deep and high-stress mines

M. Nakatani, H. Moriya, R. Durrheim, 2020 .

2019 status report: Drilling into seismogenic zones of M2.0–M5.5 earthquakes in South African gold mines (DSeis project)

M. Ziegler, E. van Heerden, E. Cason, 2019, Proceedings of the Ninth International Conference on Deep and High Stress Mining.

Observational studies of the rock mass response to mining in highly stressed gold mines in South Africa

M. Nakatani, T. Satoh, H. Kato, 2014 .

Monitoring transmitted waves across a fault with a high potential for mining induced earthquakes -the Ezulwini gold mine in South Africa

M. Nakatani, R. Durrheim, M. Naoi, 2011 .

Hydrogeochemical and Isotopic Signatures Elucidate Deep Subsurface Hypersaline Brine Formation through Radiolysis Driven Water-Rock Interaction

T. Kieft, T. Onstott, M. Whitehouse, 2022, Geochimica et Cosmochimica Acta.

Emergence and disappearance of very small repeating earthquakes on a geological fault in a gold mine in South Africa

M. Nakatani, H. Moriya, R. Durrheim, 2018, Tectonophysics.

Unexpectedly frequent occurrence of very small repeating earthquakes (−5.1 ≤ Mw ≤ −3.6) in a South African gold mine: Implications for monitoring intraplate faults

M. Nakatani, H. Moriya, R. Durrheim, 2015 .

Radiation efficiency and apparent stress of small earthquakes in a South African gold mine

S. Ide, J. Mori, Y. Iio, 2005 .

Physical property studies to elucidate the source of seismic reflectivity within the ICDP DSeis seismogenic zone: Klerksdorp goldfield, South Africa

M. Ziegler, T. Onstott, R. Durrheim, 2022, International Journal of Rock Mechanics and Mining Sciences.

Microseismicity Induced by Heavy Rainfall Around Flooded Vertical Ore Veins

N. Hirano, Y. Iio, H. Ogasawara, 2002 .

Post-seismic Effects of an M 7.2 Earthquake and Microseismicity in an Abandoned, Flooded, Deep Mine

N. Hirano, H. Ogasawara, K. Fujimori, 2002 .

Observational studies in South African mines to mitigate seismic risks: a mid-project progress report

M. Nakatani, H. Moriya, R. Durrheim, 2013 .

Observational studies in South African mines to mitigate seismic risks: advances in rock engineering knowledge and technology

A Cichowicz, Masao Nakatani, Hirokazu Moriya, 2013 .

Detection of mining-induced fractures around a stope in Ezulwini gold mine, South Africa, by using AE events with similar waveforms

Yasuo Yabe, Makoto Naoi, Masao Nakatani, 2012 .

Acoustical experiment of yogurt fermentation process.

H Ogasawara, T Nakamura, T. Ohbuchi, 2006, Ultrasonics.

Nucleation process of an M2 earthquake in a deep gold mine in South Africa inferred from on‐fault foreshock activity

Hiroshi Ogasawara, Yasuo Yabe, Masao Nakatani, 2015 .

Delineation of large localized damage structures forming ahead of an active mining front by using advanced acoustic emission mapping techniques

Hiroshi Ogasawara, Yasuo Yabe, Masao Nakatani, 2015 .

Trial of the BX conical-ended borehole overcoring stress measurement technique

H. Kato, H. Ogasawara, H. Kato, 2012 .

In-situ stress around source faults of seismic events in and beneath South African deep gold mines

M. Kanematsu, Takatoshi Ito, H. Kato, 2019, Proceedings of the Ninth International Conference on Deep and High Stress Mining.

Establishment of SATREPS experimental sites in South African gold mines to monitor phenomena associated with earthquake nucleation and rupture

A Cichowicz, Masao Nakatani, Nana Yoshimitsu, 2012 .

Stress change prior to the major events in the 1989 earthquake swarm off the eastern Izu Peninsula, Japan

Kazuo Mino, H. Kawakata, H. Ogasawara, 2006 .

Semi-controlled seismogenic experiments in South African deep gold mines

Hiroshi Ogasawara, Kinichiro Kusunose, A Cichowicz, 2002 .

Steady activity of microfractures on geological faults loaded by mining stress

Hiroshi Ogasawara, Yasuo Yabe, Masao Nakatani, 2015 .

Semi-controlled Earthquake-generation Experiments in Deep Gold Mines, South Africa ^|^mdash; Monitoring at Closest Proximity to Elucidate Seismogenic Process ^|^mdash;

Hiroshi Ogasawara, Yasuo Yabe, Hiroshi Ishii, 2009 .

Small slow‐strain steps and their forerunners observed in gold mine in South Africa

Hiroshi Ogasawara, Hiroshi Ishii, A. J. Mendecki, 2006 .

High-Resolution Strain Monitoring During M>2 Events in a South African Deep Gold Mine in Close Proximity to Hypocentres

Hiroshi Ogasawara, Hiroshi Ishii, A. J. Mendecki, 2005 .

Call for Models—A Test Case for the Source Inversion Validation: The 2014 ML 5.5 Orkney, South Africa, Earthquake

W. Ellsworth, M. Boettcher, D. Birch, 2017 .

Characteristics of Fault Rocks Within the Aftershock Cloud of the 2014 Orkney Earthquake (M5.5) Beneath the Moab Khotsong Gold Mine, South Africa

I. Katayama, T. Ishikawa, M. Ziegler, 2022, Geophysical Research Letters.

Drilling Into Seismogenic Zones of M2.0 – M5.5 Earthquakes From Deep South African Gold Mines (DSeis): Establishment of Research Sites

W. Ellsworth, Takatoshi Ito, M. Ziegler, 2017 .

Relating tilt measurements recorded at Mponeng Gold Mine, South Africa to the rupture of an M 2.2 event

A. Milev, R. Durrheim, P. Share, 2013 .

A Quantitative Interpretation of the Well-tide Observed in Chuo Shaft of the Old Ikuno Mine, Hyogo, Japan

Yoshiaki Tamura, Takumi Koyama, Hiroshi Ogasawara, 2001 .

BX CCBO In-Situ Stress Measurements at Earthquake Prone Areas in South African Gold Mines –A Summary Of Mini-Workshop on 13 Feb 2014

H. Kato, R. Durrheim, Y. Yabe, 2014 .