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LIU YIMING, CAO XUEPENG, HE JINGHAO, TIAN KANGYUAN, LI ZIQIANGayc. 1983: A STUDY OF THE RELATION BETWEEN CRUSTAL DEFORMATION AND SEISMIC ACTIVITY IN THE XINFENGJIANG RESERVOIR AREA. Acta Seismologica Sinica, 5(1): 79-86.
Citation: LIU YIMING, CAO XUEPENG, HE JINGHAO, TIAN KANGYUAN, LI ZIQIANGayc. 1983: A STUDY OF THE RELATION BETWEEN CRUSTAL DEFORMATION AND SEISMIC ACTIVITY IN THE XINFENGJIANG RESERVOIR AREA. Acta Seismologica Sinica, 5(1): 79-86.
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A STUDY OF THE RELATION BETWEEN CRUSTAL DEFORMATION AND SEISMIC ACTIVITY IN THE XINFENGJIANG RESERVOIR AREA

  • Institute of Geophysics, State Seismological Bureau

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  • Published Date: August 31, 2011
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  • Before and after the earthquake of magnitude Ms= 6.1 occurred on March 19, 1962 in the Xinfengjiang reservoir area, Guangdong Province, geodetic levelling and triangulation measurements were carried out in this area. The results are characterized by high frequency of repetition and high accuracy of measurements.In processing the data relative to an assumed fixed datum point, crustal deformation fields have been obtained and discussed. Using the results of measurements of consecutive triangulation surveys, the principal strain axes of each triangle surveyed have been calculated.By inversing the strain data during an earthquake of magnitude 5.3, the earthquake fault plane was obtained.All the above results show that before and after earthquakes of magnitudes greater than 4, horizontal crustal deformations in Xinfengjiang are obviously related to the earthquakes while the vertical deformations seem to have no relation to them.
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    • References (1)
  • [1] 沈崇刚等,新丰江水库地震及其对大坝的影响,中国科学,17,2,239——272,1974.

    [2] 王妙月等,新丰江水库地震的震源机制及其成因初步探讨,地球物理学报,16,1,1976.

    [3] 陈运泰等,根据地面形变的观测研究1966年邢台地震的震源物理过程,地球物理学报,18,3,146——181,1975.

    [1] 沈崇刚等,新丰江水库地震及其对大坝的影响,中国科学,17,2,239——272,1974.

    [2] 王妙月等,新丰江水库地震的震源机制及其成因初步探讨,地球物理学报,16,1,1976.

    [3] 陈运泰等,根据地面形变的观测研究1966年邢台地震的震源物理过程,地球物理学报,18,3,146——181,1975.
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