Aseismic uplift in Southern California
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Abstract
Preliminary examination of the historic geodetic record has disclosed crustal uplift of 0.15 to 0.25 meter that apparently began around 1960 and has since grown to include at least 12,000 square kilometers of southern California. This uplift extends at least 150 kilometers west-northwestward along the San Andreas Fault from Cajon to Maricopa, southward from the San Andreas into the northern Transverse Ranges, and eastward from Lebec into and including much of western Mojave block. It seems to have grown spasmodically eastward from a center near the junction of the San Andreas and Garlock faults and has occurred largely within an area that has remained virtually aseismic since at least 1932. Although much of this area has been characterized by crustal mobility since at least the turn the century, the described uplift seems to be an unusually large and probably unique event superimposed the existing pattern of continuing deformation.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Aseismic uplift in Southern California |
| Series title | Science |
| DOI | 10.1126/science.192.4236.251 |
| Volume | 192 |
| Issue | 4236 |
| Year Published | 1976 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 3 P. |
| First page | 251 |
| Last page | 253 |
| Country | United States |
| State | California |
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