SONOMA COUNTY, CA - on Wednesday around midday, a preliminary 2.3 magnitude quake was reported close to The Geysers, ...

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.

A new report studied a massive earthquake that ruptured in the southeast Asian country of Myanmar on March 28 — on a fault ...

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

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 ...

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

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 swarm in Northern California early Thursday was another round of recurring temblors in a seismically active region home to the world's largest geothermal field.

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.

Scientists say a warning system could have given people on the Alaska Peninsula 10 seconds or more to brace themselves for July's M7.3 earthquake.

The Cascadia Subduction Zone along the Pacific Northwest coast looms large in the scientific and public minds, as it has the potential to generate great earthquakes. The magnitude 9.0 Cascadia ...