Southern California Earthquake Data Center

Significant Earthquakes and Faults

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Fault Name Index

San Antonio Fault

Type of Faulting: left-lateral strike-slip
Length: 20 km
Nearest Communities: Mt. Baldy, Alta Loma
Most Recent Surface Rupture: Late Quaternary
Other Notes: The small branch to the west near the southern end of the San Antonio fault is known as the Evey Canyon fault. The San Antonio fault probably cuts and offsets the Stoddard Canyon fault.



This fault is featured on the following maps:
Mojave Fault Map
Southern Fault Map
Los Angeles Fault Map