Two significant earthquakes struck Alaska within four days, according to the National Center for Seismology. A 7.3 magnitude ...

The USGS described the earthquake as "notable," confirming that it may have been felt by residents in Sand Point and nearby ...

Hawaii’s unique position in the center of the Pacific Ocean makes it particularly vulnerable to tsunamis from both distant ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

Scientists believe the July 16 Alaska earthquake is part of a series of multiple earthquakes of similar magnitudes in the ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according to local officials.

Mount Rainier saw a swarm of hundreds of small earthquakes that started early Tuesday morning.

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active ...