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The San Cayetano Fault is an east–west trending thrust fault in
San Cayetano Fault
– Southern California Earthquake Center {{California Faults Seismic faults of California Geology of Ventura County, California Fillmore, California Ojai, California Santa Paula, California Topatopa Mountains Plate tectonics
The San Cayetano Fault is an east–west trending thrust fault in Ventura County
Ventura County () is a county located in the southern part of the U.S. state of California. As of the 2020 census, the population was 843,843. The largest city is Oxnard, and the county seat is the city of Ventura.
Ventura County comprises ...
, Southern California
Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...
. It stretches for , north of the city of Ventura, near the Topatopa Mountains, Piru, Fillmore, Santa Paula, Sulphur Springs, and Ojai.
Geology
The last known surface rupture was less than 5,000 years ago. Recent research indicates that the San Cayetano fault may have been the source of the December 21, 1812 earthquake. Depending on location, the fault has an estimated slip rate between . The recurrence rate between events is uncertain, but if the fault is associated with the 1812 event, it may be able to produce earthquakes approaching 6.5 – 7.3 in magnitude.References
*Further reading
*External links
San Cayetano Fault
– Southern California Earthquake Center {{California Faults Seismic faults of California Geology of Ventura County, California Fillmore, California Ojai, California Santa Paula, California Topatopa Mountains Plate tectonics