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  1. List of earthquakes in California. 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 ...

  2. 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.

  3. Dec 3, 2023 · Northridge, Los Angeles saw a dangerous 6.7 Mw earthquake on the morning of January 17th, 1994 that struck a densely populated area, leading to 57 deaths and over 1,000 injuries. Damages exceeded 20 billion dollars, with many buildings, roads, and overpasses destroyed.

  4. Aug 12, 2024 · 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.

  5. Feb 9, 2021 · The Sylmar earthquake, as it would become known, was one of the worst in modern Los Angeles history, killing 64 people, injuring 2,543 and causing $553 million in damage. Here are some memories...

  6. 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. No one knows exactly what kept the...

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  8. Jul 25, 2019 · But along with familiar names -- like Loma Prieta and Northridge -- that evoke frightening memories, there are thousands of earthquakes each year in California that are too small to be felt....