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On July 7, 2010, a 5.4-magnitude earthquake, triggered by the April 10, 2010, quake, occurred on the San Jacinto Fault, the most seismically active fault in California, and one of two that exhibited signs of increased pressure following the Mexico quake.
The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also documented earthquakes.
The Rose Canyon Fault is a right-lateral strike-slip fault that runs in a north–south direction off the coast of San Diego County, California, until it comes ashore near downtown San Diego. The fault is linked to the Newport–Inglewood Fault (NIFZ) in the north and either the Agua Blanca Fault or San Miguel–Vallecitos Fault Zone in the ...
On Monday, southern California was rattled by a 4.4-magnitude earthquake that was felt all the way from Los Angeles to San Diego.Though no major damage occurred, the quake was caused by a fault ...
An earthquake that shook Temecula, Calif., on Friday evening was felt widely across San Diego. The magnitude-4.2 quake was reported at 6:16 p.m. about 11 miles from Temecula at a depth of 9 miles ...
There's now an entire generation of Californians who have grown up without experiencing the damaging earthquakes we saw in the 1980s and 1990s. California remains in puzzling earthquake 'drought ...
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 San Diego Trough Fault Zone is a group of connected right-lateral strike-slip faults that run parallel to the coast of Southern California, United States, for 150–166 km (93–103 mi). The fault zone takes up 25% of the slip within the Inner Continental Borderlands.