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1990: GEOPHYSICAL EXPERIMENTS OF KM SIZE AND CHARACT-ERISTICS RECORDED IN THE SOURCE REGION. Acta Seismologica Sinica, 12(3): 307-314.
Citation: 1990: GEOPHYSICAL EXPERIMENTS OF KM SIZE AND CHARACT-ERISTICS RECORDED IN THE SOURCE REGION. Acta Seismologica Sinica, 12(3): 307-314.
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GEOPHYSICAL EXPERIMENTS OF KM SIZE AND CHARACT-ERISTICS RECORDED IN THE SOURCE REGION

  • Institute of Geophysics, State Seismological Bureau, Beijing, China

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  • Published Date: September 01, 2011
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  • This paper first shows some results obtained by rock mechanics experiments,source physics research,and earthquake prediction. The common problems involved in those researches need to be solved by geohysical experiments of medium size (of km size). It also gives a summary about the geophysical experiment field of km size in Mentougou,Beijing. Finally,Some results obtained up to the present are given,such as the differences between records on the surface and underground; the relation between stress drop of microfractures and stress state; the relation between the predominant frequence of background noise and stress state of the media; as well as characteristics of records recorded in the source region.
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    • References (1)
  • [1] Chen Yong, 1988. Duscussion of some scientific issues in earthquake prediction. Earthguake Research in China, 4, 2, 1—8.
    [2] An Zhenwen, Wang Linying, Zhu Chuanzhen, 1989. The Characteristics of Fractal Dimension in the Temporal—Spatial Distribution of Earthquakes Before and After the Occurrence of a Large Earthquake. Acta Seismologica Sinica, 11, 251—258.
    [3] Hao Bailin, 1983. Bifurcation, chaos, strange attractor, turbulence and all that on intrinsic stochasticity in Deterministic Systems, 3, 3, 319—416.
    [4] Lu Yuanzon (chief editer), 1985. Seismological Methods irz Earthguake Prediction, Seismological press.
    [5] Zheng Zhizhen, 1986. Development of geosound observation and research in 1985. Journal of Seismological Research, 9, Sup., 13—26.
    [6] Liu Wangqin, Zheng Zhizhen, 1989. The Development in source research, Journal of Seismological Research. 12, 1, 63—67.
    [7] Zhang Zhaoping, Guan Jie, Zhang Shaoquan, Zheng Zliizhen, 1988. The advance study of microearthquake and rock burst in coal mine. Earthquake Research in China, 4, 2, 124—125.
    [8] Brune, J. N., 1970. Tectonic stress and spectra of seismic shear waves from earthquake, J. Geophys. Res.,75, 26, 4997—5009.
    [9] Zheng Zhizhen, Hu Zuochun, Guo Yaping, Wang, Rongjun, 1977. Spestral changes of fore— and after shocks of the Haicheng earthquake. Acta Geophysica Sinica, 20, 2, 125—130.
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