The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ash.

The Alaska Volcano Observatory within the past week ... Mount Spurr is one of a string of volcanos in the Aleutian Islands that comprise part of what's known as the Ring of Fire, created by ...

This volcanic arc delineates the boundary between the Pacific and North American tectonic plates. A subduction zone, composed of the deep Aleutian Trench coupled with a landward line of volcanoes ...

Increasing volcanic activity at the over 11,000-foot ... Mount Spurr is one of a string of volcanos on the Aleutian Arc, an arc of islands with more than 80 named volcanos stretching the Southwest ...

Thousands of people and vast amounts of cargo travel every day over the Aleutian Islands, which hold most of Alaska’s volcanoes, while crossing the Pacific. “We know what happens when a plane ...

NEW YORK — Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an eruption, according to volcanologists. Scientists at the Alaska ...

Mount Spurr, the highest volcano in the Alaskan Aleutian arc, last erupted in 1992, depositing ash over the city of Anchorage. Lassen Peak is the southernmost volcano in the Cascade Volcanic Arc ...