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Probabilistic seismic hazard map. 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 ...
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 ...
However, due to the lack of reports in the area, it is not possible to guarantee that this earthquake occurred on the Rose Canyon Fault. [21] Trenching of the fault reveals multiple ruptures within the past 8,100 years, including a rupture that occurred between 300 years to shortly before the San Diego Mission was established. [ 22 ]
A 4.4 magnitude earthquake was strongly felt Monday afternoon from the Los Angeles area all the way to San Diego, swaying buildings, rattling dishes and setting off car alarms, but no major damage ...
The San Jacinto Fault Zone (SJFZ) is a major strike-slip fault zone that runs through San Bernardino, Riverside, San Diego, and Imperial Counties in Southern California. The SJFZ is a component of the larger San Andreas transform system and is considered to be the most seismically active fault zone in the area.
“Drop, Cover, Hold on. Protect yourself,” the U.S. Geological Survey warned moment before the eathquake struck.
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.
Until Sunday, the strongest earthquake in the past month to hit San Bernardino County's fourth most populous city occurred on Sept. 7, when a magnitude 3.9 earthquake caused "light" shaking to be ...