Depleted groundwater threatens communities, agriculture, and ecosystems in California's Central Valley, which produces much ...

A UC Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the ...

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...

A 5.2-magnitude earthquake shook Southern California on Monday morning, sending boulders tumbling onto rural roadways outside ...

California reservoirs are expected to continue rising through the spring as snowmelt supplements the water levels.

A magnitude 5.2 earthquake near Julian rattled much of Southern California and Tijuana just after 10 a.m. Monday, prompting brief evacuations in downtown San Diego and shaking cities as far away as ...

A 5.2 magnitude earthquake shook Southern California on Monday, according to the U.S. Geological Survey. The quake was centered in San Diego County but was felt as far north as Los Angeles. No ...

The earthquake had a preliminary magnitude of 5.2 and was near the mountain town of Julian, east of San Diego, according to ...

A 5.2-magnitude earthquake struck near San Diego at 10:08 a.m. Monday, according to the U.S. Geological Survey. The quake's ...

A preliminary 6.0-magnitude earthquake struck near San Diego, according to the U.S. Geological Survey. The quake's epicenter ...

An earthquake with a 5.2 preliminary magnitude was reported near Julian, California on April 14, according to the U.S.