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The magnitude 7.9 Fort Tejon earthquake (1857) shook 631 times more intensely than did either of the magnitude 5.1 earthquakes in La Habra (2014) and Ojai (2023). The Tejon quake also released 15,849 times the energy than did either of the two smaller quakes.
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 magnitude 4.5 earthquake struck in Los Angeles, about 10 miles east of the Los Angeles Civic Center, late at night on September 18. It was widely felt across the region, even as far south as San Diego, and was followed by several aftershocks.
Catalogs of all southern California events recorded since 1932 can be accessed elsewhere. The earthquakes which are listed here are marked with colored squares indicating magnitude. The scale is as follows: Under magnitude 4.5. Magnitude 4.5 to 5.4.
Feb 9, 2021 · When the Sylmar earthquake rumbled through Los Angeles 50 years ago, on Feb. 9, 1971, the top of the earthen Lower Van Norman Dam melted into the reservoir.
6 days ago · List of Earthquakes for Los Angeles. Recent Earthquakes in California and Nevada. Los Angeles Special Map. Click on an earthquake on the above map for more information. Update time = Thu Aug 1 16:00:04 2024. Here are the earthquakes appearing on this map, most recent at top ...
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 ( Mw) blind thrust earthquake was beneath the San Fernando Valley. [3]
