The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...

California has experienced four earthquakes in less than 12 hours. The seismic activity began around 9pm ET when a 3. ... 4:30am near Petrolia in the northern region of the state. An assessment from ...

"In Northern California, usually the (earthquake ... Earth's crust would typically be too hot and high pressure for seismic activity. "In Northern California, usually the (earthquake) data ...

California has recently experienced a series of earthquakes in a short span of time, raising concerns about the state's seismic activity. In less than 12 hours, residents and seismologists alike have ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

A 3.1-magnitude earthquake struck near Rio Vista in Northern California, the U.S. Geological Survey reported. Getty Images/iStockphoto A 3.1-magnitude earthquake shook Friday, April 4, in Northern ...

Southern California typically experiences more than 10,000 earthquakes per year, according to the United States Geological ...

A magnitude 5.2 earthquake struck near Julian, a historic town in Southern California, on. Centered just south of the town, ...

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous that their names are burned into the state's collective consciousness.

California has experienced four earthquakes in less than 12 hours. The seismic activity began around 9pm ... 4:30am near Petrolia in the northern region of the state. An assessment from Michigan ...