| Abstract: | We have inverted the teleseismic P waveforms recorded by stations of the Global Digital Seismograph Network for the 8 July 1986 North Palm Springs, California, the 28 October 1983 Borah Peak, Idaho, and the 19 September 1985 Michoacan, Mexico, earthquakes to recover the distribution of slip on each of the faults using a point-by-point inversion method with smoothing and positivity constraints. Results of the inversion indicate that the Global digital Seismograph Network data are useful for deriving fault dislocation models for moderate to large events. However, a wide range of frequencies is necessary to infer the distribution of slip on the earthquake fault. Although the long-period waveforms define the size (dimensions and seismic moment) of the earthquake, data at shorter period provide additional constraints on the variation of slip on the fault. Dislocation models obtained for all three earthquakes are consistent with a heterogeneous rupture process where failure is controlled largely by the size and location of high-strength asperity regions. -from Authors |
| Genre: | Article |
| ProdID: | 70014310 |
| Citation Author: | Mendoza, C.; Hartzell, S. H. |
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| Citation End Page: | 1111 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Bulletin - Seismological Society of America |
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| Citation Number Of Pages: | 20 |
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| Citation Search Results Text: | Inversion for slip distribution using teleseismic P waveforms: North Palm Springs, Borah Peak, and Michoacan earthquakes; 1988; Article; Journal; Bulletin - Seismological Society of America; Mendoza, C.; Hartzell, S. H. |
| Citation Start Page: | 1092 |
| Citation Volume: | 78 |
| Citation Year: | 1988 |
| Type: | citation/reference |
| Text: | Inversion for slip distribution using teleseismic P waveforms: North Palm Springs, Borah Peak, and Michoacan earthquakes; 1988; Article; Journal; Bulletin - Seismological Society of America; Mendoza, C.; Hartzell, S. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1988 00:00 -0600 |
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