A 2.9-magnitude earthquake jolted Western Washington awake Thursday, Aug. 21, the U.S. Geological Survey reported. The 5.7-mile deep quake hit less than a mile from Mount Vernon at 1:01 a.m., according to the USGS. More than 130 people reported feeling it from as far away as Seattle and Bellingham.

Scientists have recorded a significant uptick in earthquakes at the Mount Adams volcano — the largest active volcano in Washington state. Six earthquakes hit the "high threat" volcano in ...

Some observers around the world are connecting Russia’s volcanic eruption to the 8.8 magnitude earthquake on that country's far-eastern shore.

Seattle’s unreinforced brick buildings are a disaster waiting to happen — and the cash to fix them isn’t there.

While there was some initial alarm from locals, the flurry of minor tremors didn’t result in any sort of eruption at Mount Rainier National Park. Scientists with the Pacific Northwest Seismic Network are still poring over the data,

An area near Petersville, Alaska, was hit with a 4.6 earthquake on Wednesday, according to the United States Geological Survey. Newsweek reached out to the USGS's Earthquake Hazards Program via email for additional comment.

Here's what we know about what caused the earthquake off Russia's Far East and why the tsunami it generated weren't as big as anticipated.

The risk of a devastating mega-tsunami from the Cascadia Subduction Zone highlights the need for improved evacuation plans.