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HUANG WEIQIONG, JIN YAN, HU KONGSHENGcom sh advance. 1982: ON THE REGIONAL DIFFERENCE OF ATTENUATION OF NEAR EARTHQUAKE WAVES AND ESTIMATION OF NEAR EARTHQUAKE MAGNITUDE. Acta Seismologica Sinica, 4(4): 337-349.
Citation: HUANG WEIQIONG, JIN YAN, HU KONGSHENGcom sh advance. 1982: ON THE REGIONAL DIFFERENCE OF ATTENUATION OF NEAR EARTHQUAKE WAVES AND ESTIMATION OF NEAR EARTHQUAKE MAGNITUDE. Acta Seismologica Sinica, 4(4): 337-349.
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ON THE REGIONAL DIFFERENCE OF ATTENUATION OF NEAR EARTHQUAKE WAVES AND ESTIMATION OF NEAR EARTHQUAKE MAGNITUDE

  • Institute of Geophysics, State Seismological Bureau

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  • Published Date: August 31, 2011
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    • Abstract
  • In this paper, we investigate the attenuation of maximum amplitude of S-waves of near earthquakes with epieentral distance and the damping of coda waves of near earthquakes with time in the Beijing-Tianjin and Sichuan-Yunnan regions. These attenuation features indicate an apparent difference in crustal media between these two regions. It is suggested that respective calibrating functions R(A), should be used in estimating near earthquake magnitudes. Some other aspects of magnitude determination for near earthquakes are also discussed.
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    • References (1)
  • [1] 李善邦,中国地震,第二篇,第七章,第二节,2——3, 1981,

    [2] W. H. K. Lee, R.E.Bennee and K.L. Measlier, A method of estimating magnitude of local earthquakes from aigtal duration, Open file report,Nat. Center for Earthquake Rea., TSGS,28, 1972.

    [3] K.Aki, Analysis of the coda of local earthquakes as scattered waves, J. G.R.,74, 2, 615——631, 1969.

    [1] 李善邦,中国地震,第二篇,第七章,第二节,2——3, 1981,

    [2] W. H. K. Lee, R.E.Bennee and K.L. Measlier, A method of estimating magnitude of local earthquakes from aigtal duration, Open file report,Nat. Center for Earthquake Rea., TSGS,28, 1972.

    [3] K.Aki, Analysis of the coda of local earthquakes as scattered waves, J. G.R.,74, 2, 615——631, 1969.
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