Significant Earthquakes and Faults
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Fault Name Index
Pinto Mountain Fault
Type of Fault: left-lateral strike-slip
Length: at least 73 km; possibly as long as 90 km
Nearest Communities: Twentynine Palms, Joshua Tree, Yucca Valley
Most Recent Rupture: Holocene; experienced triggered slip in 1992, due to shaking from the Landers earthquake
Slip Rate: about 1.0 mm/yr
Interval Between Major Ruptures: uncertain
Probable Magnitudes: MW6.5 - 7.5
Other Notes: Forms several cross-cutting relations and complex intersections with other faults.
This fault is featured on the following maps:
Mojave Fault Map
Southern Fault Map
