NAPA COUNTY, CA - A 3.5 magnitude quake occurred close to Angwin on Tuesday afternoon, the U.S. Geological Survey reported.

A preliminary 3.0 magnitude quake rattled close to Avalon on Monday morning, the U.S. Geological Survey reported.

SAN BENITO COUNTY, CA - A preliminary 3.2 magnitude quake shook near Aromas on Sunday morning, according to the U.S.

GLENN COUNTY, CA - A 3.9 magnitude quake rattled close to Alder Springs on Thursday afternoon, the U.S. Geological Survey ...

The intensity of shaking was considered "moderate" in Ukiah; "light" in Fort Bragg, Lakeport, Clearlake and Cloverdale; and "weak" in the Sonoma County cities of Santa Rosa, Rohnert Park and Petaluma.

A 5.6 magnitude earthquake hit near Willits, causing aftershocks in Northern California, with residents receiving alerts via ...

HUMBOLDT COUNTY, CA - A 2.6 magnitude quake occurred near Petrolia on Wednesday morning, according to the U.S. Geological Survey. At 5:16 a.m. (4:16 a.m. local time), a tremor rattled the region at a ...

Northern California was shaken by a magnitude 5.6 earthquake near Willits, with injuries reported but no deaths as officials ...

It has been over 100 years since a major tectonic rupture has affected the greater Los Angeles area, which means stress on ...