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The earthquake struck at 1:46 p.m. and occurred near mapped traces of the Newport-Inglewood/Rose Canyon fault zone. ... Wednesday's earthquake in Orange County was the fifth of magnitude 2.0 and ...
The first earthquake Thursday, at 4:52 p.m., occurred along the Newport Beach-Costa Mesa border. The magnitude 3.6 temblor shook near Irvine Avenue and where Westcliff Drive in Newport Beach ...
A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.
These two earthquakes are considered a regional earthquake sequence, rather than a main shock and aftershock. [ 11 ] The magnitude 5.7 Little Skull Mountain (LSM) earthquake the following day, June 29, 1992, at 10:14 UTC near Yucca Mountain , Nevada, is also considered part of the regional sequence and may have been triggered by surface wave ...
On December 5, 2024, a M w 7.0 earthquake struck off the coast of Humboldt County, California, at 10:44 a.m. PST. It was felt in the state's northern regions and in the Central Valley. [2] The earthquake prompted the National Weather Service to issue a tsunami warning which was canceled soon after.
Earthquake locations are taken from the Centennial Catalog [1] and the updated Engdahl, van der Hilst and Buland earthquake catalog, [2] which is complete to December 2005. From January 2006, earthquake locations are from the United States Geological Survey's Preliminary Determination of Epicenters (PDE) [3] monthly listing.
Having half a dozen earthquakes with a magnitude 2.5 or greater strike in a single week is not a common occurrence in Southern California.
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.