SONOMA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.4 magnitude quake occurred near The Geysers ...

HUMBOLDT COUNTY, CA - Friday night, a 3.7 magnitude quake was detected close to Petrolia, according to the U.S. Geological Survey.

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 ...

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

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

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

More than 20 million dollars in grant funding from the California Residential Mitigation Program will be used to offset costs ...

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 ...

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of ...