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

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

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.

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

The work confirms the theory that the pressure applied by heavy ice makes it harder for magma to reach the surface, instead ...

( NewsNation) — A tsunami warning has been issued for areas of southcentral and southwest Alaska. It follows a 7.3-magnitude ...

Alaska's Iliamna Volcano last erupted in 1867 and was caught shaking from frequent small earthquakes, which were unlikely to be volcanic unrest.

( NewsNation) — A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling. Located roughly 140 miles ...

Welcome to our live blog tracking the latest news and developments from the United States. Stay updated with real-time ...

Scientists worry that recent activity seen on a satellite at a volcano near a major U.S. city could spell disaster for thousands.

A NASA-operated satellite recently captured an image of Iliamna Volcano, a glacier-covered volcano located in southwest Alaska, from space. The volcano, standing at an impressive 10,016 feet above ...

Hosted by the Mount Washington Observatory atop New Hampshire’s highest peak, the program provides interns with hands-on opportunities in one of the most extreme weather environments in the world.