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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.
A map shows earthquakes above magnitude 2.5 that struck in the last week in Southern California. Quakes marked in orange occurred over a 24-hour period ending at 9 a.m. Monday, while those in ...
In recent days, Southern California has experienced one earthquake after another. A 3.6 in Ojai on May 31. Two of a similar magnitude under the East Los Angeles area of El Sereno .
A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States Geological Survey. The epicenter of the "strong" quake was off the coast ...
1915 Imperial Valley earthquakes; 1918 San Jacinto earthquake; 1925 Santa Barbara earthquake; 1927 Lompoc earthquake; 1932 Eureka earthquake; 1933 Long Beach earthquake; 1940 El Centro earthquake; 1948 Desert Hot Springs earthquake; 1952 Kern County earthquake; 1954 Eureka earthquake; 1957 San Francisco earthquake; 1968 Borrego Mountain earthquake
A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.
The probability of a serious earthquake on various faults has been estimated in the 2008 Uniform California Earthquake Rupture Forecast. According to the United States Geological Survey, Southern California experiences nearly 10,000 earthquakes every year. [3] Details on specific faults can be found in the USGS Quaternary Fault and Fold Database.
The earthquake occurred at 10:44 a.m. with an epicenter under the Pacific Ocean, ... 7.0 earthquake rattles Northern California, spurs anxiety before tsunami warning is canceled.