Not all Californian coastal areas are moving lower. The Santa Barbara groundwater basin, which has been continuously ...

A light, 4.1-magnitude earthquake struck in Southern California on Sunday, according to the United States Geological Survey.

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.

Under California's Sierra Nevada mountains, a slow yet powerful force will change the entirety of the Earth's crust there.

Multiple tremors were recorded by the USGS over the past week, including one which struck as the Oscars ceremony was underway.

The earthquake hit on Sunday at 1:03 p.m. It was followed by a magnitude 2.5 earthquake a minute later, and magnitude 3 and ...