Earthquake swarms and local crustal spreading along major strike-slip faults in California
Pure and Applied Geophysics PAGEOPH
By: C.S. Weaver and D.P. Hill
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Abstract
Earthquake swarms in California are often localized to areas within dextral offsets in the linear trend in active fault strands, suggesting a relation between earthquake swarms and local crustal spreading. Local crustal spereading is required by the geometry of dextral offsets when, as in the San Andreas system, faults have dominantly strike-slip motion with right-lateral displacement. Three clear examples of this relation occur in the Imperial Valley, Coso Hot Springs, and the Danville region, all in California. The first two of these areas are known for their Holocene volcanism and geothermal potential, which is consistent with crustal spreading and magmatic intrusion. The third example, however, shows no evidence for volcanism or geothermal activity at the surface. ?? 1978 Birkha??user Verlag.
Suggested Citation
Weaver, C., Hill, D., 1978, Earthquake swarms and local crustal spreading along major strike-slip faults in California: Pure and Applied Geophysics PAGEOPH, v. 117, no. 1-2, p. 51-64, https://doi.org/10.1007/BF00879733.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Earthquake swarms and local crustal spreading along major strike-slip faults in California |
| Series title | Pure and Applied Geophysics PAGEOPH |
| DOI | 10.1007/BF00879733 |
| Volume | 117 |
| Issue | 1-2 |
| Year Published | 1978 |
| Language | English |
| Publisher location | Birkha??user-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Pure and Applied Geophysics PAGEOPH |
| First page | 51 |
| Last page | 64 |