Southern California Earthquake Data Center

Significant Earthquakes and Faults

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Fault Name Index

Copper Mountain Fault

Type of Fault: right-lateral strike-slip
Length: 17 km
Nearby Communities: Landers, Joshua Tree, Twentynine Palms
Most Recent Surface Rupture: Holocene
Slip Rate: roughly 0.5 mm/yr
Interval Between Major Ruptures: unknown
Probable Magnituedes: ML6.0 - 6.5
Other Notes: Can be considered a southeast-ward continuation of the Emerson fault. Rupture along both faults would produce a larger quake than the Copper Mountain fault could produce alone.

 

References


This fault is featured on the following map:
Mojave Fault Map

 

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