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Following destructive earthquakes in the late 19th and early 20th centuries, real estate developers, press, and boosters minimized and downplayed the risk of earthquakes out of fear that the ongoing economic boom would be negatively affected. [3] [4] California earthquakes (1769–2000)
Learn more about the most powerful quakes in the Golden State.
The 1872 Owens Valley earthquake – also known as the Lone Pine earthquake – struck on March 26 at 02:30 local time in the Owens Valley (California, along the east side of the Sierra Nevada), with the epicenter near the town of Lone Pine. Its magnitude has been estimated at M w 7.4 to 7.9, with a maximum Mercalli Intensity of X (Extreme).
A pie chart comparing the seismic moment release of the three largest earthquakes for the hundred-year period from 1906 to 2005 with that for all earthquakes of magnitudes <6, 6 to 7, 7 to 8, and >8 for the same period. The 2011 Japan quake would be roughly similar to Sumatra. Earthquakes of magnitude 8.0 and greater from 1900 to 2018.
While the San Andreas is the most famous, scientists know it’s not the only fault that can produce a powerful earthquake in Southern California.
An upgrade to California's earthquake early-warning system using GPS data will allow more timely alerts about shaking and better estimate the magnitude of a megaquake. ... For the most powerful ...
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 ]
LOS ANGELES — A 4.7-magnitude earthquake rattled the Southern California coast on Thursday ... There have been at least five aftershocks with the most powerful being a 3.4 jolt at about 8:40 a.m ...