| Abstract: | We have compared aftershock patterns following several moderate to large earthquakes with the corresponding distributions of coseismic slip obtained from previous analyses of the recorded strong ground motion and teleseismic waveforms. Our results are consistent with a hypothesis of aftershock occurrence that requires a secondary redistribution of stress following primary failure on the earthquake fault. Aftershocks followng earthquakes examined in this study occur mostly outside of or near the edges of the source areas indicated by the patterns of main shock slip. The spatial distribution of aftershocks reflects either a continuation of slip in the outer regions of the areas of maximum coseismic displacement or the activation of subsidiary faults within the volume surrounding the boundaries of main shock rupture. -from Authors |
| Genre: | Article |
| ProdID: | 70014357 |
| Citation Author: | Mendoza, C.; Hartzell, S. H. |
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| Citation End Page: | 1449 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Bulletin - Seismological Society of America |
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| Citation Number Of Pages: | 12 |
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| Citation Search Results Text: | Aftershock patterns and main shock faulting; 1988; Article; Journal; Bulletin - Seismological Society of America; Mendoza, C.; Hartzell, S. H. |
| Citation Start Page: | 1438 |
| Citation Volume: | 78 |
| Citation Year: | 1988 |
| Type: | citation/reference |
| Text: | Aftershock patterns and main shock faulting; 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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