Geodimeter measurements of strain during the Southern California Uplift
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Abstract
A review of geodimeter measurements made along the ‘big‐bend’ section of the San Andreas fault in southern California indicates no significant increment in strain during the period of major uplift (late 1959 to mid‐1963). Specifically, no evidence of an increment in compressional strain normal to the San Andreas fault at the time of the uplift was found. Geodolite measurements at four networks along the big bend independently indicate that the strain rate during the 1974–1977 episode of subsidence was essentially a uniaxial north‐south compression at the rate of about ⅓ μstrain/yr. Whether the 1974–1977 rate is significantly different from earlier rates determined by triangulation is not clear owing to a rather large variability in the earlier determinations.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Geodimeter measurements of strain during the Southern California Uplift |
| Series title | Journal of Geophysical Research B: Solid Earth |
| DOI | 10.1029/JB084iB01p00171 |
| Volume | 84 |
| Issue | B1 |
| Year Published | 1979 |
| Language | English |
| Publisher | American Geophysical Union |
| Contributing office(s) | Earthquake Science Center |
| Description | 7 p. |
| First page | 171 |
| Last page | 177 |
| Country | United States |
| State | California |
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