Variable rates of late Quaternary strike slip on the San Jacinto fault zone, southern California.
Journal of Geophysical Research
By: R. V. Sharp
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Abstract
3 strike slip displacements of strata with known approximate ages have been measured at 2 locations on the San Jacinto fault zone. Minimum horizontal offset between 5.7 and 8.6km in no more than 0.73Myr NE of Anza indicates 8-12 mm/yr average slip rate since late Pleistocene time. Horizontal slip of 1.7m has been calculated for the youngest sediment of Lake Cahuilla since its deposition 271- 510 yr BP. The corresponding slip rate is 2.8-5.0 mm/yr. Right lateral offset of 10.9m measured on a buried stream channel older than 5060 yr BP but younger than 6820 yr BP yields average slip rates for the intermediate time periods, 400 to 6000 yr BP of 1-2 mm/yr. The rates of slip suggest a relatively quiescent period from about 4000 BC to about 1600 AD.-from Author
Suggested Citation
Sharp, R.V., 1981, Variable rates of late Quaternary strike slip on the San Jacinto fault zone, southern California.: Journal of Geophysical Research, v. 86, no. B3, p. 1754-1762, https://doi.org/10.1029/JB086iB03p01754.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Variable rates of late Quaternary strike slip on the San Jacinto fault zone, southern California. |
| Series title | Journal of Geophysical Research |
| DOI | 10.1029/JB086iB03p01754 |
| Volume | 86 |
| Issue | B3 |
| Publication Date | September 20, 2012 |
| Year Published | 1981 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geophysical Research |
| First page | 1754 |
| Last page | 1762 |