Significant Earthquakes and Faults
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Fault Name Index
Santa Cruz Island Fault
Type of Faulting: left-reverse
Length: about 90 km
Most Recent Surface Rupture: Holocene, offshore; Late Quaternary on Santa Cruz Island
Slip Rate: 0.9 mm/yr
Interval Between Major Ruptures: roughly 4000 years (?)
Probable Magnitudes: MW6.5 - 7.5
Other Notes: This is a north-dipping fault.
This fault is featured on the following maps:
Northwest Fault Map
