Inversion of complex body waves-II

Details Inversion of complex body waves-II Inversion of complex body waves-II

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pepi...43..205k&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 43, Issue 3, p. 205-222.

Physics

35

Scientific paper

After our previous paper, we developed a method to deconvolve body waves into a multiple shock sequence. We first consider a general case where a rupture process consists of subevents with arbitrary source parameters, and next a special case where a source process consists of subevents with two different fault mechanisms. A simple criterion to check the significance of solution is given by a statistical consideration on the estimated values.
The method is applied to two large earthquakes: the 1976 Tangshan earthquake and the 1976 East Turkey earthquake. In both cases, the earthquake sources consist of major strike-slip events and minor thrust events. The total seismic moments of the major events are comparable to the values obtained by surface-wave analyses. The 1968 Borrego mountain earthquake is also analysed by the same method for comparison. A single-mechanism solution results in a good waveform match and no significant secondary mechanism is required for this event.

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