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.

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.

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. One quake hit Rialto, California, in the ...

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

For the first time ever, California landlords can access earthquake retrofit grants. Second registration window opens with ...

LOS ANGELES — A preliminary magnitude-4.3 earthquake in the San Bernardino area produced shaking that was felt over ...

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.

Multiple earthquakes shook parts of California over the weekend, including a temblor in San Bernardino County. The first was ...

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.