The last “Big One” hit Canada in 1700, and a massive earthquake hitting the country's West Coast isn’t just a hypothetical.

Geophysicists studying seismic waves from earthquakes have found evidence suggesting that Earth's inner core not only rotates ...

Powerful storms swept through parts of Northern California on Saturday, knocking down trees, causing widespread power outages ...

The Oregon Department of Emergency Management (OEM), the Oregon Department of Geology and Mineral Industries (DOGAMI), and ...

An earthquake with a preliminary magnitude of 5.3 struck in the Pacific Ocean about 45 miles west-northwest of Petrolia, at ...

A late-night 5.2-magnitude earthquake shook the Pacific Ocean off the Northern California coastline, the U.S. Geological ...

A preliminary 5.3 magnitude earthquake struck Northern California on Saturday night, according to the United States Geological Survey.

Without question, the 7.0 magnitude earthquake offshore off Cape Mendocino on Dec. 5 was large and potentially destructive. For some perspective, over the last 100 years there have been seven ...

Loma Prieta has become an event of the distant past, while future tectonic disasters are sorely overlooked." With a record 15 seismic earthquake sequences occurring in Southern California just this ...

Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?

Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?

New research reveals a promising method to predict earthquakes by studying ancient curved scratches on fault surfaces. Stay ...