Oregon emergency officials cite about a 37% chance of a Cascadia megathrust earthquake of magnitude 7.1 or greater in the fault zone over the next 50 years. The number is a long-term scientific risk ...

At around 9 p.m. on January 26, 1700, the Cascadia subduction zone ruptured along nearly its full length off the Pacific Northwest coast, producing a magnitude 9 earthquake and a tsunami that crossed ...

Cascadia’s rupture may jolt the San Andreas, creating the worst natural disaster in U.S. history. Here’s what you’ll learn ...

Scientists studying 3,100 years of seafloor sediments found clues that earthquakes on the Cascadia and San Andreas faults may ...

Swiss Re's James Gasco says a major Cascadia earthquake wouldn't just hit the Port of Vancouver – it could take out the ...

On International Shakeout Day, millions of people across Washington will practice their earthquake preparedness, according to ...

A magnitude 4.2 earthquake rattled Seattle and other parts of the Puget Sound region on Tuesday. KOMO reports the quake was recorded at 2:05 p.m. with an epicenter about 3.4 miles west-northwest of ...

A magnitude 4.2 earthquake shook the Seattle area Tuesday evening, prompting thousands of reports across Puget Sound and drawing renewed attention to a nearby fault capable of producing a catastrophic ...

Experts say a major earthquake will eventually affect Canadians. Insurers are lobbying the federal government to come up with ...

On 28 February 2001, a magnitude 6.8 earthquake struck deep beneath the southern Puget Sound area. It caused damage to buildings in Seattle, Olympia and other communities, US News, Times Now ...

The state seismologist explains why some didn't feel the quake, which rose to the level where it should be "widely felt." ...

Yes, the new council is “messy.” But so is democracy. It requires tolerating multiple views, some disagreements, ...