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1990: PRECURSOR FOR EARTHQUAKES OF ML5.0 IN NORTH CHINA, CONCENTRATIVE AND CONTINUOUS ACTIVITY OF MODERATE EARTHQUAKES. Acta Seismologica Sinica, 12(2): 113-120.
Citation: 1990: PRECURSOR FOR EARTHQUAKES OF ML5.0 IN NORTH CHINA, CONCENTRATIVE AND CONTINUOUS ACTIVITY OF MODERATE EARTHQUAKES. Acta Seismologica Sinica, 12(2): 113-120.
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PRECURSOR FOR EARTHQUAKES OF ML5.0 IN NORTH CHINA, CONCENTRATIVE AND CONTINUOUS ACTIVITY OF MODERATE EARTHQUAKES

  • Institute of Geophysics, State Seismological Bureau

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  • Published Date: September 01, 2011
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  • Concentrative and continuous activity of earthquakes (4.0ML6.0) occurred within a few years before and around the epicenters of the 10 coming earthquakes of ML5.0 in North China (30-42N,109-125E) since 1970,and there seemed to be a relationship between the scale of activity of these earthquakes and the magnitude of the main shock. These earthquakes are called moderate foreshocks in this study. Three parameters indicating the scale of activity of foreshocks,i.e.,energy release,duration time and area of activity are defined and the relationship between the three parameters and the magnitude of the main shock is established through regression analysis.
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    • References (1)
  • [1] 傅承义,1971.关于地震发生的几点认识.地震战线,8, 35——36,

    [2] 笠原庆一,1984.地震力学,15——22,赵仲和等译,地震出版社.

    [3] 茂木清夫,1979.论巨大地震.国外地震,2, 1——6

    [4] 赵根模,1980.我国若干强震的前兆地震序列.地震研究,3, 125——136,

    [1] 傅承义,1971.关于地震发生的几点认识.地震战线,8, 35——36,

    [2] 笠原庆一,1984.地震力学,15——22,赵仲和等译,地震出版社.

    [3] 茂木清夫,1979.论巨大地震.国外地震,2, 1——6

    [4] 赵根模,1980.我国若干强震的前兆地震序列.地震研究,3, 125——136,
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