California is considering adopting new rules to better identify and more quickly to respond to dangerous methane leaks and ...

Hidden in the emerald embrace of Shasta-Trinity National Forest lies Potem Falls, a 60-foot cascade that looks like it was plucked straight from a fantasy novel and planted in Northern California just ...

HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a 3.0 magnitude quake rattled close to Petrolia Tuesday night.

If you are looking for a surreal and under-the-radar hike, then head to the north shore of Mono Lake to experience the Black ...

Earthquake faults deep in the Earth can glue themselves back together following a seismic event, according to a new study led ...

Earthquake faults deep in Earth can glue themselves back together following a seismic event, according to a new study led by ...

The longstanding public health practice of adding fluoride to community drinking water is facing heavy scrutiny in the United States over questions about whether the benefits outweigh the potential ...

SONOMA COUNTY, CA - A preliminary 2.2 magnitude quake was detected near The Geysers around midday Wednesday, according to the ...

MORE: America's deadliest volcano enters unprecedented 72-hour tremor phase A sudden earthquake swarm has been rocking the ...

A 4.1 magnitude earthquake struck Tuesday morning in Central California, centered near Paso Robles, according to the USGS.

The last significant quake swarm in the San Ramon area, in 2015, lasted 36 days and produced 654 tiny earthquakes, the ...

A magnitude 4.1 earthquake was reported Tuesday morning at 9:54 a.m. Pacific time less than a mile from Paso Robles, ...