Imperial Fault Zone

E1041233

The Imperial Fault Zone is a major active strike-slip fault system in Southern California that forms part of the southernmost extension of the San Andreas Fault system and is a significant source of regional earthquakes.

All labels observed (1)

Label Occurrences
Imperial Fault Zone canonical 1

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf active fault
geologic fault zone
strike-slip fault
activityStatus historically active
associatedWith Gulf of California rift zone
Salton Sea geothermal system
connectsTo Brawley Seismic Zone
Cerro Prieto Fault
San Andreas Fault
country United States of America
displacementType strike-slip
geologicAge Quaternary
hasFeature shallow seismicity
surface ruptures during large earthquakes
hazardType ground shaking
surface fault rupture
isExtensionOf southern San Andreas Fault
linked to: San Andreas Fault
isSegmentOf Pacific–North America plate boundary
isSourceOf regional earthquakes
locatedIn Imperial Valley
Salton Trough
Southern California
United States
maximumMagnitudeApprox around 7.0
movementType horizontal displacement
near US–Mexico border
notableEarthquake 1940 Imperial Valley earthquake
1979 Imperial Valley earthquake
orientation northwest-southeast
partOf San Andreas Fault system
linked to: San Andreas Fault
passesNear Calexico, California
El Centro, California
Imperial, California
plateBoundaryBetween North American Plate
Pacific Plate
region Colorado Desert
relativeMotion right-lateral
riskCategory significant seismic source in Southern California
seismicHazardFor Imperial County, California
linked to: Imperial County

Mexicali Valley
state California
studiedBy geologists
seismologists
tectonicSetting transform plate boundary

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Brawley Seismic Zone links Imperial Fault Zone