CONTRA COSTA COUNTY, CA - Thursday afternoon, a preliminary 2.5 magnitude quake was detected close to Lafayette, according to ...
A major earthquake hasn't struck any of California's biggest cities in more than three decades, but the "Big One" is a matter ...
A 4.3 magnitude earthquake struck Berkeley, California, on Monday morning, the U.S. Geological Survey (USGS) said.
Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more ...
Two fault lines on the west coast of North America—the Cascadia and San Andreas—appear to be seismically synchronized, with ...
One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on ...
San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...
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