Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning.

The minor earthquake comes exactly a week after a 3.0 magnitude earthquake rumbled about 60 miles away in Arkansas.

UPPER LAKE, Calif. (KGO) -- The U.S Geological Survey reported a 5.1-magnitude earthquake struck 11 miles northeast of Upper Lake in Lake County Tuesday evening.

Multiple earthquakes, including a 4.0 magnitude temblor, shook Thursday morning near Sonoma County, according to the United States Geological Survey.

Multiple earthquakes shook parts of California over the weekend, including a temblor in San Bernardino County. Coso Junction in Inyo County experienced back-to-back quakes beginning at 4:21 p.m. on ...