3.4 magnitude 'earthquake' near WA was actually from 6.0 Alaska quake

A 3.4 magnitude “earthquake" recorded near Washington on Thanksgiving morning was a false alert and was actually caused by waveforms from a 6.0-magnitude earthquake in Alaska.

Washington to take part in Great ShakeOut drill this week

In Washington state, more than 1.5 million participants are already registered for the Great Washington ShakeOut, a statewide event to practice the crucial "Drop, Cover and Hold On" earthquake safety action.

Study: Cascadia quake could trigger San Andreas Fault
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It's almost time for the "Great ShakeOut" and there's a new study telling us about the "Big One" ahead of the earthquake drill.

"The Big One" could trigger larger earthquake along West Coast
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Most of us have probably heard that when it comes to earthquakes, "The Big One" could happen at any time, but a new study has now found that if the "big one" happens in the Pacific Northwest, it could trigger an even bigger one and affect cities up and down the West Coast.

Major Pacific Northwest earthquake could trigger another along West Coast

A new study found that if “The Big One" hit the Pacific Northwest, it could trigger an even bigger earthquake and affect cities up and down the West Coast.

Magnitude 5.9 earthquake strikes off Oregon coast

A 5.9-magnitude earthquake struck off the Oregon coast Thursday night, followed by two aftershocks early Friday.

4.3 magnitude earthquake shakes near Berkeley, Oakland

DID YOU FEEL IT? The USGS reports the earthquake hit at 2:56 a.m. with an epicenter in Berkeley.

Alaska shaken by 7 earthquakes in 1 day

Alaska has been shaken up by seven earthquakes on Sept. 16, according to the United States Geological Survey. We look at where they hit and how big they were.

2.5 magnitude earthquake hits near Lake Chelan, WA

A 2.5-magnitude earthquake struck near Waterville in Central Washington on Tuesday evening. 

Here's what caused the swarm of 1,350 earthquakes at WA's Mount Rainier

A swarm of more than 1,350 earthquakes shook Mount Rainier this summer. USGS scientists took a closer look. Here’s what they found.

3.5 magnitude earthquake strikes near Neah Bay, WA

A 3.5 magnitude earthquake was reported off the coast of Neah Bay along the Juan De Fuca Strait Monday night.

Understanding earthquake threats in WA's Puget Sound region
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In the wake of last week's tsunami threats along the Washington coast, many have questions about what would happen if a major earthquake and tsunami struck the Puget Sound region.