Comparison of Mechanism Inversion Methods Using Regional Waveform
Abstract In this article, we briefly review the gCAP (general cut and paste) and the full-waveform inversion focal mechanism solution inversion theories using the regional seismic waveform. These methods are applied to the focal mechanism solution inversion of the Ludian MS6.5 event. The main idea of this work is to evaluate the reliability of the inversion results and to compare the two methods in real data application. According to the comparison, we find that the bad azimuthal coverage decreases the reliability of inversion results. In conclusion, the source mechanism is strike 73°-77°, dip 72°-85°, and rake 157°-180°, inversed by gCAP and full-waveform method.
Key words :
regional waveform inversion
focal mechanism solution
gCAP
full-waveform inversion
Cite this article:
CHEN Junlei,ZHOU Qingyun,LIU Feng et al. Comparison of Mechanism Inversion Methods Using Regional Waveform[J]. jgg, 2021, 41(1): 79-82.
CHEN Junlei,ZHOU Qingyun,LIU Feng et al. Comparison of Mechanism Inversion Methods Using Regional Waveform[J]. jgg, 2021, 41(1): 79-82.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2021/V41/I1/79
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