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.

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 ...

A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did Tuesday's mega-quake cause so little harm?

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

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.

An earthquake with a preliminary magnitude of 5.7 struck 17 miles west of Petrolia in Northern California on Wednesday.

UPPER LAKE, Calif. (KABC) -- A 5.1-magnitude earthquake struck north of the Bay Area on Tuesday, according to the United States Geological Survey. The earthquake struck near Upper Lake, California ...

Three earthquakes ranging from 3.5 to 3.7 magnitude hit the San Bernardino area of Southern California. Earlier on Aug. 5, an earthquake in northern New Jersey was felt in parts of New York.

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