| Abstract: | In the region of the Los Padres-Tehachapi geodetic network, the San Andreas fault (SAF) changes its orientation by over 30?? from N40??W, close to that predicted by plate motion for a transform boundary, to N73??W. The strain orientation near the SAF is consistent with right-lateral shear along the fault, with maximum shear rate of 0.38??0.01??rad/yr at N63??W. In contrast, away from the SAF the strain orientations on both sides of the fault are consistent with the plate motion direction, with maximum shear rate of 0.19??0.01??rad/yr at N44??W. The best fitting Garlock fault model had computed left-lateral slip rate of 11??2mm/yr below 10km. Buried left-lateral slip of 15??6mm/yr on the Big Pine fault, within the Western Transverse Ranges, provides significant reduction in line length residuals; however, deformation there may be more complicated than a single vertical fault. A subhorizontal detachment on the southern side of the SAF cannot be well constrained by these data. -from Authors |
| Genre: | Article |
| ProdID: | 70016318 |
| Citation Author: | Eberhart-Phillips, D.; Lisowski, M. |
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| Citation End Page: | 1153 |
| Citation Issue: | B2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Geophysical Research |
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| Citation Number Of Pages: | 15 |
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| Citation Search Results Text: | Crustal strain near the Big Bend of the San Andreas Fault: analysis of the Los Padres-Tehachapi Trilateration Networks, California; 1990; Article; Journal; Journal of Geophysical Research; Eberhart-Phillips, D.; Lisowski, M. |
| Citation Start Page: | 1139 |
| Citation Volume: | 95 |
| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Crustal strain near the Big Bend of the San Andreas Fault: analysis of the Los Padres-Tehachapi Trilateration Networks, California; 1990; Article; Journal; Journal of Geophysical Research; Eberhart-Phillips, D.; Lisowski, M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1990 00:00 -0600 |
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