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Jizeng Linup, Weiqiang Jiangup, Youming Liup2, Shanghong Liangup2loans.com sh advanlucashadv. 1991: DETERMINATION OF SOURCE PARAMETERS OF SMALL EARTHQUAKES IN THE EAST PART OF GUANGDONG AND SOUTH PART OF FUJIAN PROVINCE. Acta Seismologica Sinica, 13(4): 420-429.
Citation: Jizeng Linup, Weiqiang Jiangup, Youming Liup2, Shanghong Liangup2loans.com sh advanlucashadv. 1991: DETERMINATION OF SOURCE PARAMETERS OF SMALL EARTHQUAKES IN THE EAST PART OF GUANGDONG AND SOUTH PART OF FUJIAN PROVINCE. Acta Seismologica Sinica, 13(4): 420-429.
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DETERMINATION OF SOURCE PARAMETERS OF SMALL EARTHQUAKES IN THE EAST PART OF GUANGDONG AND SOUTH PART OF FUJIAN PROVINCE

  • 1. Seisrmilgical Bureau of Guangdong Province, Guangzhou 510070, China; 2. Institute of Geophysics, Academia Sinicu, Beijing 100101, China

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  • Published Date: September 01, 2011
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    • Abstract
  • Determination of source parameters of small earthquakes from amplitude ratios of P and S is studied in this paper when the distribution of the regional seismic network is skew to the earthquakes. The distribution of stations of the seismic network was to one side of the 17 earthquakes chosen from among 39 earthquakes in the east part of Guangdong and south part of Fujian province. The distribution of stations was classified into three types according to their relative positions with respect to the chosen earthquakes and the experiments of artificial data were done. Excellent results were also presented in various unfavouable conditions by using the method.As to the 39 small earthquakes recorded by the network in east Guangdong and south Fujian province from 1982 to 1986, the results can be summarized as follows: Most of the fault planes of the earthquakes apear to be steep. Most of the principal compression stresses P and tensile stresses T are nearly horizontal, concentrating in the WNW-ESE direction.
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    • References (1)
  • [1] 梁尚鸿、李幼铭、束沛槛、朱碚定, 1984.利用区域地震台网P.S, 百振幅比资料测定小震震源参数.地球物理学报,27. 3.249——257.

    [2] 吴荣辉、张立明、李幼铭、梁尚鸿.1985.利用区域地震台网P.S振幅比资料测定北京地区小震震源参数.中国地震, 1, 4. 87——93.

    [3] 梁尚鸿、束沛锰、李幼铭、朱陪定、张立敏. 1986.攀西地区地震分布和构造应力场特征.地球物理学报, 29, 6,557——567.

    [4] 李幼铭、梁尚鸿, 1987.用PH, SH振幅比资料测定震源参数.中国地震, 3. 3, 26——33

    [5] 林纪曾、梁国昭、赵毅谢明富.1980.东南沿海地区的震源机制与构造应力场.地震学报, 2, 245——257.

    [6] 艾南山、梁国昭. 1982.东南沿海水系及新构造应力场.地理学报, 37. 2, 111——121.

    [7] 陈恩民、黄茵、苏丹,1985.九一八年广东南澳大地震及其发震构造背景的初步探讨.华南地震. 5. 1. 1——16.

    [1] 梁尚鸿、李幼铭、束沛槛、朱碚定, 1984.利用区域地震台网P.S, 百振幅比资料测定小震震源参数.地球物理学报,27. 3.249——257.

    [2] 吴荣辉、张立明、李幼铭、梁尚鸿.1985.利用区域地震台网P.S振幅比资料测定北京地区小震震源参数.中国地震, 1, 4. 87——93.

    [3] 梁尚鸿、束沛锰、李幼铭、朱陪定、张立敏. 1986.攀西地区地震分布和构造应力场特征.地球物理学报, 29, 6,557——567.

    [4] 李幼铭、梁尚鸿, 1987.用PH, SH振幅比资料测定震源参数.中国地震, 3. 3, 26——33

    [5] 林纪曾、梁国昭、赵毅谢明富.1980.东南沿海地区的震源机制与构造应力场.地震学报, 2, 245——257.

    [6] 艾南山、梁国昭. 1982.东南沿海水系及新构造应力场.地理学报, 37. 2, 111——121.

    [7] 陈恩民、黄茵、苏丹,1985.九一八年广东南澳大地震及其发震构造背景的初步探讨.华南地震. 5. 1. 1——16.
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