Significant Earthquakes and Faults
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Fault Name Index
Rico Fault
Type of Faulting: normal
Length: at least 1 km
Nearby Community: Holtville
Most Recent Surface Rupture: October 15, 1979, Mw6.4
Other Notes: The 1979 Imperial Valley earthquake brought about the discovery of the Rico fault, which was likely a buried, pre-existing fault, and is probably significantly longer than the kilometer-long segment that ruptured in 1979.
This fault is featured on the following map:
Southern Fault Map
