A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San ...

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

More than a dozen atmospheric rivers dumped rainfall on California in 2023 but replenished only 25 percent of the water lost from aquifers since 2006.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas impacted by wildfires.

Residents of a Southern California mountain community near the Eaton Fire burn scar were digging out of roads submerged in ...

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

At the top of the world, there is a sea—the remains of one, at least. The summit rocks of Mount Everest, the highest ...

An atmospheric river is expected to hit California later this week, bringing heavy rain and wind to much of the state.