Earthquake Information
Fault Name Index
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Santa Ynez Fault
TYPE OF FAULTING: left-reverse
LENGTH: at least 130 km
NEARBY COMMUNITIES: Wheeler Springs, Santa Ynez, Santa Barbara
MOST RECENT SURFACE RUPTURE: Late Quaternary; except for a short segment near the intersection with the Baseline fault, which is Holocene in age
SLIP RATE: between 0.1 and 0.7 mm/yr
INTERVAL BETWEEN MAJOR RUPTURES: uncertain
PROBABLE MAGNITUDES: MW6.5 - 7.5 (?)
OTHER NOTES: Dips to the south.
This fault is featured on the following map:
Northwest Fault Map
