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In 1933, the Long Beach earthquake occurred in a populated area and damaged or destroyed many public school buildings in Long Beach and Los Angeles. Some decades later, the San Fernando earthquake affected the San Fernando Valley north of Los Angeles with heavy damage to several hospitals. In both cases, the perception of California policy ...
Magnitude of the earthquake and aftershocks. 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] Lasting approximately 8 seconds and achieving the largest peak ground ...
The 1999 Hector Mine earthquake occurred in Southern California, United States, on October 16 at 02:46:50 PDT. Its moment magnitude was 7.1 and the earthquake was preceded by 12 foreshocks, the largest of which had a magnitude of 3.8. The event is thought to have been triggered by the 1992 Landers earthquake which occurred seven years earlier.
First, a magnitude 3.6 earthquake in the Ojai Valley sent weak shaking from Santa Barbara to Los Angeles on May 31. Then came two small quakes under the eastern L.A. neighborhood of El Sereno, the ...
The July 2019 Ridgecrest earthquakes consist of three main shocks of magnitudes 6.4, 5.4, and 7.1, each followed by a flurry of aftershocks of substantially lower magnitude. The aftershocks of the Ridgecrest earthquakes reveal two fault zones. The July 4 M 6.4 event (orange dot) occurred on the SW-NE fault where it intersects the NW-SE oriented ...
July 21, 2024 at 6:33 PM. LOS ANGELES - A preliminary 3.5-magnitude earthquake rattled Southern California Sunday, according to the U.S. Geological Survey. The quake struck around 3:09 p.m. and ...
A magnitude 4.2 earthquake was felt widely across the nation's second largest city Friday and shook things off shelves near the epicenter in a small mountain community east of Los Angeles, but ...
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 ...