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Since the three damaging earthquakes that occurred in the American Midwest and the United States East Coast ( 1755 Cape Ann, 1811–12 New Madrid, 1886 Charleston) were well known, it became apparent to settlers that the earthquake hazard was different in California. While the 1812 San Juan Capistrano, 1857 Fort Tejon, and 1872 Owens Valley ...
2. 2022 Ferndale earthquake [ 35] April 5, 2024. New Jersey. 4.8 M w. 0. 2024 New Jersey earthquake [ 36] Two-percent probability of exceedance in 50 years map of peak ground acceleration from the United States Geological Survey, released July 17, 2014.
The 1971 San Fernando earthquake (also known as the 1971 Sylmar earthquake) occurred in the early morning of February 9 in the foothills of the San Gabriel Mountains in southern California. The unanticipated thrust earthquake had a magnitude of 6.5 on the Ms scale and 6.6 on the Mw scale, and a maximum Mercalli intensity of XI ( Extreme ).
The 1989 Loma Prieta earthquake occurred on California's Central Coast on October 17 at 5:04 p.m. local time. The shock was centered in The Forest of Nisene Marks State Park in Santa Cruz County, approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San Andreas Fault System and was named for the nearby Loma Prieta Peak in the Santa Cruz Mountains.
A 3.8-magnitude earthquake shook the Southern California area, the U.S. Geological Survey reported.. The nearly 11-mile deep quake hit about 4 miles east northeast of Ojai in Ventura County, about ...
A magnitude 7.5 quake on the Puente Hills fault — which runs under highly populated areas of L.A. and Orange counties — could kill 3,000 to 18,000 people, according to the USGS and Southern ...
Foreshocks. 6.1 Mw April 23 at 4:51 [4] Casualties. 3 killed. 400+ injured. The 1992 Landers earthquake occurred on Sunday, June 28 with an epicenter near the town of Landers, California, in San Bernardino County. [5] The shock had a moment magnitude of 7.3 and a maximum Mercalli intensity of IX ( Violent ). [6]
Southern California lies at the southern end of this block, where the Southern California faults create a complex and even chaotic landscape of seismic activity. Seismic, geologic, and other data has been integrated by the Southern California Earthquake Center to produce the Community Fault Model (CFM) database that documents over 140 faults in ...