Beneath Alaska’s breathtaking landscapes and pristine wilderness lies one of the most geologically active regions on the planet. The Alaska Peninsula and Aleutian Islands form a volcanic arc that ...

One of Alaska’s largest and most active volcanoes is restless again, prompting scientists to issue an aviation advisory. Alaska Volcano Observatory scientists increased the threat level of Mount ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

A circular scar on Alaska’s face speaks to an event that may have contributed to the fall of societies on the far side of the ...

Some volcanoes erupt with little to no warning, posing serious risks to nearby communities and air traffic. A study of Alaska's Veniaminof volcano reveals how specific internal conditions like slow ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...