The SAF in the Carrizo Plain has the largest accumulated post-early Mioceneoffset and is the oldest reach of the entire active fault system (315 km and ~15 Ma ). That motion apparently has been accommodatedrecently by great earthquakes the most recent was the 1857 Fort Tejón earthquake. The SAF follows thenortheastern side of the plain and all along it are offset, beheaded, and abandoned drainagesthat reflect that recent strike-slip motion. The area has been longregarded as a site of world-class examples of strike-slip faulting. Just as a Cadillac is a lavish automobile with many luxurious options, the CarrizoPlain area, situated in the southeastern California Coast Ranges ( Figure C.1), is the premierexample of the San Andreas Fault (SAF) system in California. The Carrizo Plain as the Cadillac of the San Andreasfault system The San Andreas Fault Zone in the Carrizo Plain,California: Review of Quaternary Geologic Investigations, Landforms, and Fault Activity.Īrrowsmith, J R., 1995, Appendix C, Coupled tectonic deformation and geomorphic degradation along the San Andreas Fault System, PhD. Quaternary Geologic Investigations, Carrizo Plain, CAįor a full page version of this page please press here.
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