VENTURA COUNTY, CA - A preliminary 2.3 magnitude quake was recorded close to Fillmore Monday morning, according to the U.S.

Between 128,000 and 186,000 years ago, when ice covered the Sierra Nevada, a lake 100 miles long and 600 feet deep sat in ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

Paraquat is banned in more than 70 countries, but still legal in the United States. Now, a growing number of U.S. farmers are ...

Shaking was felt in areas such as Petaluma and Rohnert Park, but no damages or injuries were reported immediately after the ...

A magnitude 4.0 earthquake was reported Sunday afternoon at 3:30 p.m. three miles from Santa Rosa, according to the U.S.

Geologist Kirt Kempter tells the 300-million-year story of the Abiquiú area while exploring the boundary between the Rio ...

SONOMA COUNTY, CA - A preliminary 2.5 magnitude quake was reported close to Glen Ellen Sunday afternoon, according to the U.S ...

Did you feel it? Preliminary magnitude 3.2 earthquake struck near Colma in San Mateo County Friday evening, the U.S.

A preliminary 4.0-magnitude earthquake struck California’s Sonoma County on Sunday afternoon, according to the US Geological ...

A preliminary 4.1 magnitude earthquake struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United States Geological Survey.