Abstract
The influence of the four different methods of measuring Lg amplitude, and the selection of different geometrical attenuation coefficient ζ-values (=5/6 or 1) on the determination ofγ value of Lg wave are discussed.γ=0.0034±0.0001km−1 (when ζ=5/6) for six eastern provinces is redetermined. The revised magnitude calibration function ofm Lg (mxh),q E (Δ)=(5/6)logΔ+0.00147Δ+1.81 is deduced.
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The Chinese version of this paper appeared in the Chinese edition ofActa Seismologica Sinica,13, 171–178, 1991.
Projects sponsored by the Chinese Joint Seismological Science Foundation.
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Ge, H., Ni, Y., Huang, C. et al. The revisedm Lg scale in six eastern provinces of China. Acta Seismologica Sinica 5, 79–86 (1992). https://doi.org/10.1007/BF02650905
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DOI: https://doi.org/10.1007/BF02650905