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

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

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The ...

What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled ...

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

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

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.

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage reported from minor temblor.

An average of 25 earthquakes with magnitudes between 4.0 and 5.0 occur per year in California and Nevada, according to a recent three year data sample. The earthquake occurred at a depth of 6.7 miles.

The injury total from a deadly, magnitude 6.4 earthquake that rocked Northern California rose to 17 on Wednesday afternoon as recovery efforts continued in the area, local authorities said.

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