Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

A massive magnitude 8.7 earthquake struck off the coast of Russia Tuesday, sparking tsunami warnings in Alaska and Hawaii and ...

A volcano in Russia’s Far East erupted hours after a major earthquake triggered tsunami warnings as far away as California ...

New reports suggest the Iliamna Volcano in Alaska is rumbling after 100 years of dormancy, but NASA says an eruption isn't imminent.

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Tsunami warnings have been issued in several countries after an 8.8-magnitude earthquake struck off the coast of Russia, with ...

The entire U.S. West Coast was facing a tsunami threat after an 8.8 magnitude earthquake erupted off Russia's eastern coast ...

New reports suggest the Iliamna Volcano in Alaska is rumbling after 100 years of dormancy, but NASA says an eruption isn't imminent.

The Klyuchevskoy eruption was hours after a huge earthquake early Wednesday triggered a tsunami that sent waves across the ...

The earthquake appeared to be the strongest recorded since the 9.0 magnitude earthquake off northeastern Japan in March 2011 ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.