What's the Elsinore fault? California has long been a hotbed of seismic activity, with notorious San Andreas being the ...

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 ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be how the continents formed, they say.

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 ...

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 ...

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, ...

Northern California also hit by earthquake near ... magnitude followed in the same area at 9:46 p.m., reinforcing the seismic activity in the region. California sits on major fault lines ...

"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 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 ...