The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

The Record Breaking Chilean Earthquake 5, commonly referred to as the Valdivia earthquake or Great Chilean earthquake. It ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

The United States Geological Survey put out a false alarm for a 5.9 earthquake east of Dayton, Nevada, on Thursday morning.

For centuries, the Cascadia Subduction Zone has lurked just offshore from Northern California to British Columbia, largely ...

The United States Geological Survey quickly deleted the alert, saying it had been sent in error. “This isn’t a good look,” one earthquake expert said. By Erin ...

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near Carson City in western Nevada could produce heavy shaking in the region. But ...

A series of earthquakes rattled California’s Bay Area near Gilroy on Wednesday, according to the U.S. Geological Survey. The largest was a magnitude 4.0 quake centered about 8 kilometers east of ...

The most recent, a 1.2-magnitude tremor, hit about 2 ½ miles northeast of San Ramon at 4:05 p.m. Sunday, Nov. 23. Getty Images/iStockphoto A swarm of small earthquakes has been rattling a Bay Area ...

An alert that Nevada had been rocked by a 5.9 magnitude earthquake early Thursday sent phones buzzing briefly before the U.S. Geological Survey quickly deleted the ...