Earthquake Information
Fault Name Index
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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
