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.

Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

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

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after midnight Thursday, according to the U.S. Geological Survey.

After a 7.0 magnitude earthquake shook off the coast of Northern California on Thursday, it was followed by dozens of moderately strong and mild aftershocks.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey. One quake hit Rialto, California, in the ...

Northern California was rocked by a 7.0 magnitude earthquake late Thursday morning. After the tremor struck at 10:45 a.m., just over 60 miles to the west-southwest of Humboldt County’s Ferndale ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

Why does California's northwest corner experience so many intense earthquakes? Thursday’s quake was the eighth 7.0 magnitude earthquake or higher in the Northern California region in the past ...

A 3.6-magnitude earthquake struck Northern California near Walker in Mono County in South Lake Tahoe on Saturday morning, with no immediate reports of damage.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey.