Southern California Earthquake Data Center

Significant Earthquakes and Faults

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Fault Name Index

Calico Fault

Type of Fault: right-lateral strike-slip
Length: 55 km (95 km with West Calico fault)
Nearby Communities: Newberry Springs, Barstow
Most Recent Rupture: Holocene; Exhibited triggered slip during 1992 as a result of the Landers quake
Slip Rate: between 1.0 and 2.6 mm/yr
Interval Between Major Ruptures: roughly 1500 years (?)
Probable Magnitudes: MW6.5 - 7.1 (greater with West Calico fault)
Other Notes: Could rupture simultaneously with West Calico and Hidalgo faults to the south, which make up a 115-km-long right-lateral fault system.

The March 18, 1997, Calico Earthquake occurred along the northern end of this fault.

 

West Calico Fault

Type of Fault: right-lateral strike-slip
Length: 50 km
Most Recent Rupture: Holocene; Exhibited triggered slip during 1992 as a result of the Landers quake
Slip Rate: between 1.0 and 2.6 mm/yr
Interval Between Major Ruptures: roughly 1500 years (?)
Probable Magnitudes: MW6.5 - 7.1 (greater with West Calico fault)
Other Notes: See Calico fault, above. (Note: 50 km length added to 55 km length equals 95 km length due to overlap in parallel fault strands.)

 

References


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

 

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