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QTAN HONG, Luo ZHUOLI, WEN XUEZIcom asic personality . 1990: PRELIMINARY STUDY OF CHARACTERISTIC EARTHQUAKES IN THE XIANSHUIHE FAULT ZONE. Acta Seismologica Sinica, 12(1): 22-29.
Citation: QTAN HONG, Luo ZHUOLI, WEN XUEZIcom asic personality . 1990: PRELIMINARY STUDY OF CHARACTERISTIC EARTHQUAKES IN THE XIANSHUIHE FAULT ZONE. Acta Seismologica Sinica, 12(1): 22-29.
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PRELIMINARY STUDY OF CHARACTERISTIC EARTHQUAKES IN THE XIANSHUIHE FAULT ZONE

  • Seismological Bureau of Sichuan Province

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  • Published Date: September 01, 2011
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    • Abstract
  • The characteristic earthquake is a main manifestation of large earthquakes repeated in the same place. The present information suggests that large earthquakes on the Xianshuihe fault may follow the characteristic earthquake model,for which the uniformity of earthquake fault length,coseismic displacement and fault slip pattern all remain for a relatively long time. The cumulative dislocation distribution at a given section along the fault shows variation consistent with the displacement by a single earthquake because of reccurrence of the events at the same place,and thus causing synchronous variations of slip rates. Taking the coseismic fracture segment of the Luhuo earthquake of 1973 as an example,this paper discusses the phenomena of the characteristic earthquake at the Xianshuihe fault. The seismicity of this segment does not follow the linear frequency-magnitude relationship described by Gutenberg and Richter because it is controlled by the characteristic earthquake model. This model not only has great influence on fault produced landforms and fault slip rates,but also has great significance in the research on seismic activity since it implies that characteristic events dominate earthquake recurrence and the lack of moderate-magnitude events.
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    • References (1)
  • [1] Wallace, R. E., 1968. Notes on stream channels offset by the San Andreas fault, Southern Coast Ranges, California. Proceedings of conference on geologic problems of San Andreas fault system. Stanford University Pub. Gealagicial Scietxcs, Vol. X1, P6——21.

    [2] Sieh, K. E,Johns R. H,1984. Aolocene activity of the San Andreas fault at Wallace Creek, California.Geol. Soc. Amer. Bull., 95, 883——896.

    [3] Sieh, K. E,1934. Lateral offset and revised dates of large prehistoric earthquakes at Pallett Creek,Soutbern California. J. Geophys. Res., 89, B9, 7641——7670.

    [4] Sdlwartz, D. P. antl Coppersmith K. J., 1984. Fault behavior and characteristic earthquakes: examples from the Wasatch and San Andreas fault zones. J. Gcophys. Res. 89. B7, 5681——5698.

    [5] Allen, C. R., 1968. The tectonic environment of seismically acitive and inactive areas along the San Andreas fault system. Proceedings of conference on on geologic problems of San Andreas fault system. Stanford University Pub. Geological Sciences, Vol. X1, 1'70——82.

    [6] Allen, C. R., 1981. The modorn San Andrews fault. The Gcotectonic Deaelopment of Caltjorma, 512——534. Englewood Cliffs, New Jersey, Prentice——Hall.

    [7] Zhau Huilan, Allen, C. R. and Kanamori, H., 1983. Rupture complexity of the 1970 Tonghai and 1973. Ruhuo earthquakes, China, from P——wave inversion, and relatioship to surface faulting. Bull.Scism. Soc. Amer., 73, 1585——1597.

    [8] Sieh, K. E., 1978. Prehistoric large earthquakes produced by slip on the San Andrews fault at Pallett Greek, California, Jour. Ceophys. Res., 83, B8, 3907——3939.

    [9] King, G. and Nabelek, J., 1985. Role of fault bends in the initiation and termination of earthquake rupture. Science, 228, 984——987.

    [10] 钱洪、Allan, C. R.,罗灼礼、闻学泽、周华伟、黄伟师,1988.全新世以来鲜水河断裂的活动特征.中国地震,4, 2,9——18.

    [1] Wallace, R. E., 1968. Notes on stream channels offset by the San Andreas fault, Southern Coast Ranges, California. Proceedings of conference on geologic problems of San Andreas fault system. Stanford University Pub. Gealagicial Scietxcs, Vol. X1, P6——21.

    [2] Sieh, K. E,Johns R. H,1984. Aolocene activity of the San Andreas fault at Wallace Creek, California.Geol. Soc. Amer. Bull., 95, 883——896.

    [3] Sieh, K. E,1934. Lateral offset and revised dates of large prehistoric earthquakes at Pallett Creek,Soutbern California. J. Geophys. Res., 89, B9, 7641——7670.

    [4] Sdlwartz, D. P. antl Coppersmith K. J., 1984. Fault behavior and characteristic earthquakes: examples from the Wasatch and San Andreas fault zones. J. Gcophys. Res. 89. B7, 5681——5698.

    [5] Allen, C. R., 1968. The tectonic environment of seismically acitive and inactive areas along the San Andreas fault system. Proceedings of conference on on geologic problems of San Andreas fault system. Stanford University Pub. Geological Sciences, Vol. X1, 1'70——82.

    [6] Allen, C. R., 1981. The modorn San Andrews fault. The Gcotectonic Deaelopment of Caltjorma, 512——534. Englewood Cliffs, New Jersey, Prentice——Hall.

    [7] Zhau Huilan, Allen, C. R. and Kanamori, H., 1983. Rupture complexity of the 1970 Tonghai and 1973. Ruhuo earthquakes, China, from P——wave inversion, and relatioship to surface faulting. Bull.Scism. Soc. Amer., 73, 1585——1597.

    [8] Sieh, K. E., 1978. Prehistoric large earthquakes produced by slip on the San Andrews fault at Pallett Greek, California, Jour. Ceophys. Res., 83, B8, 3907——3939.

    [9] King, G. and Nabelek, J., 1985. Role of fault bends in the initiation and termination of earthquake rupture. Science, 228, 984——987.

    [10] 钱洪、Allan, C. R.,罗灼礼、闻学泽、周华伟、黄伟师,1988.全新世以来鲜水河断裂的活动特征.中国地震,4, 2,9——18.
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