Earthquake Information
Fault Name Index
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Gravel Hills - Harper Fault Zone
TYPE OF FAULTING: right-lateral strike-slip
LENGTH: about 50 km (length of zone); total length of all fault segments is greater than 70 km
NEARBY COMMUNITIES: Barstow, Johannesburg
MOST RECENT SURFACE RUPTURE: Holocene
SLIP RATE: 0.9 mm/yr
INTERVAL BETWEEN MAJOR RUPTURES: 3500 years (?)
PROBABLE MAGNITUDES: MW 6.5 - 7.2
OTHER NOTES: roughly continuous with the Harper Lake fault
This fault is featured on the following map:
Mojave Fault Map
