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Early studies indicated the earthquake was on the Newport-Inglewood fault, but a later study in 2002 indicated the San Andreas fault was the cause. Other faults have been suggested, but the San Andreas fault is considered the most likely fault. Around 40 people died, and the magnitude ranged from 6.9-7.5. [32]
A simulation of a plausible major southern San Andreas fault earthquake — a magnitude 7.8 that begins near the Mexican border along the fault plane and unzips all the way to L.A. County's ...
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.
The southern section of California’s San Andreas fault hasn’t experienced a major earthquake in 300 years, and is around a century overdo for a “big one.” ...
In California, the plate is sliding northwestward along a transform boundary, the San Andreas Fault, toward the subduction zone. At the same time, the North American plate is moving southwestward relative to the Earth's core, but southeastward relative to the Pacific plate, due to the latter's much faster northwestward motion.
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The Cascadia subduction zone is a 1,000 km (620 mi) long dipping fault that stretches from Northern Vancouver Island to Cape Mendocino in northern California. It separates the Juan de Fuca and North America plates. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge. [8] [9]
Southern California's complex rock formations are a result of uplift by the region's active faults. The San Gabriel and San Bernardino Mountains gained their height from the displacement of brittle granite crust by the San Andreas and the Elsinore Faults. Movement of the Sierra Madre and Raymond Fault have both lifted the northern Los Angeles ...