Southern California Earthquake Data Center

Significant Earthquakes and Faults

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Fault Name Index

Superstition Hills Fault

Type of Fault: right-lateral strike-slip
Length: 30 km
Nearest Communities: Imperial, El Centro
Most Recent Surface Rupture: November 24, 1987, Mw6.6; other minor historic ruptures and slip events
Slip Rate: between 1.7 and 5.5 mm/yr
Interval Between Major Ruptures: between 150 and 300 years
Probable Magnitudes: MW6.0 - 6.8
Other Notes: The last significant surface rupture prior to 1987 was sometime after 1660 A.D., but before 1915.

 

References


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

 

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