Southern California Earthquake Data Center

Significant Earthquakes and Faults

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Fault Name Index

Emerson Fault

Type of Faulting: right-lateral strike-slip
Length: about 55 km
Nearby CommunitY: Landers
Last Major Rupture: June 28, 1992; Mw7.3
Slip Rate: about 0.5 mm/yr
Interval Between Major Ruptures: roughly 9,000 years
Probable Magnitudes: MW6.5 - 7.3
Other Notes: Simultaneous rupture with nearby faults can occur, as it did in 1992, where rupture along the Johnson Valley fault was transferred to the Emerson fault via the Kickapoo fault. Rupture on the Emerson fault was in turn passed on to the Camp Rock fault to the north. In a similar way, future rupture along the Copper Mountain fault to the south could propagate northward to the Emerson fault.



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