A preliminary 2.3 magnitude quake was detected near Petrolia Saturday afternoon, according to the U.S. Geological Survey.

ALAMEDA COUNTY, CA - on Saturday around midday, a preliminary 2.3 magnitude quake was registered close to Sunol, according to ...

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

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

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

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.

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.

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

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

The Cascadia Subduction Zone along the Pacific Northwest coast looms large in the scientific and public minds, as it has the ...

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?