On Thursday, residents across Washington state will participate in the annual Great ShakeOut earthquake drill, practicing ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday. A swarm of small earthquakes was detected under the mountain triggering ...

Lasting only a minute, it shook Pioneer Square with vigor and rattled office and convention centers from Seattle to Olympia ...

A swarm of hundreds of small earthquakes has been detected rumbling deep below Mt. Rainier in Washington State early Tuesday morning, though geologists stress there is no cause for concern. The quakes ...

Washington residents participated in the annual Great ShakeOut earthquake drill Thursday, practicing the protective action of ...

A "swarm" of earthquakes began at Mount Rainier in Washington in the early morning hours on Tuesday with hundreds of quakes detected so far, making it the largest such event at the volcano since 2009.

SEATTLE — The tsunami advisories have expired for Washington state shorelines and coasts as of Wednesday morning, but the situation reminds us about how tsunamis are triggered and the impacts. KOMO ...

A magnitude 7.8 earthquake that struck Sept. 18 off Russia's Petropavlovsk-Kamchatsky region briefly triggered a tsunami advisory for Alaska's Aleutian Islands. However, the advisory for Alaska has ...