A once-overlooked fault line beneath North America may pose a far greater threat than previously realized. Canadian ...

The Pacific Northwest boasts an extensive network of more than 600 seismic monitoring stations that help researchers track ...

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 ...

A tsunami warning that was issued Wednesday for parts of Southcentral and Southwest Alaska due to a magnitude 7.3 earthquake ...

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

A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling. Located roughly 140 miles southwest of Anchorage, Iliamna has been dormant for over a century.

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday.

More than 1,300 earthquakes have hit Japan’s Tokara Islands in two weeks, prompting evacuations of dozens of residents from the remote archipelago on the country’s southern tip. Although no ...