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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 National Weather Service said that the tsunami warning that extended along 500 miles (800 km) of the California and Oregon coasts was called off about 90 minutes after the earthquake struck at ...
The 1994 Northridge earthquake affected the Los Angeles area of California on January 17, 1994, at 04:30:55 PST. The epicenter of the moment magnitude 6.7 ( M w ) blind thrust earthquake was beneath the San Fernando Valley . [ 3 ]
Northern California was rocked by a 7.0 magnitude earthquake late Thursday morning.. After the tremor struck at 10:45 a.m., just over 60 miles to the west-southwest of Humboldt County’s Ferndale ...
Read more:California remains in puzzling earthquake 'drought' despite recent shaking. Even smaller cities have passed mandatory retrofit ordinances. The city council of Albany, a community of ...
The 1987 Whittier Narrows earthquake occurred in the southern San Gabriel Valley and surrounding communities of Southern California, United States, at 7:42 a.m. PDT on October 1. The moderate magnitude 5.9 blind thrust earthquake was centered several miles north of Whittier in the town of Rosemead , had a relatively shallow depth, and was felt ...
That earthquake caused close to $100 million in damage in the most recent estimate, according to Lori Dengler, an emeritus professor in geology at California State Polytechnic University, Humboldt.
However, there is a small chance, c. 5–10%, of an earthquake equal to or larger than this mainshock in the next 7 days." [27] Geologists at the United States Geological Survey and Uniform California Earthquake Rupture Forecast suggest that an earthquake with a magnitude of 6.7 or larger will almost definitely occur somewhere in the state ...