An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

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. But on June 15, the Alaska ...

NASA has recently captured a satellite image of a volcano in Alaska, showcasing huge potential for volcanic activity.

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

FILE - This image provided by Alaska Volcano Observatory shows the summit of Mount Spurr on Oct. 24, 2024, in Alaska. (Wyatt Mayo/Alaska Volcano Observatory, U.S. Geological Survey via AP, File ...

The Alaska Volcano Observatory says that if the more than 11,000-foot-tall, snowcapped volcano erupts, the impacts could include: Damage to aircraft from ash, especially since 60,000 planes fly ...

As of February 15, the observatory listed Mount Spurr’s volcano alert level at advisory, one step above normal. “Spurr, at least in the past, has provided a longer run-up and more kind of ...

Photograph by R.G. McGimsey, Alaska Volcano Observatory, U.S. Geological Survey Through January and February, quakes continued to be frequent (and sometimes intense), and more began to cluster ...

FILE - This image provided by Alaska Volcano Observatory shows the summit of Mount Spurr on Oct. 24, 2024, in Alaska. (Wyatt Mayo/Alaska Volcano Observatory, U.S. Geological Survey via AP, File ...

A map of Mount Spurr, Alaska, showing monitoring stations operated by the Alaska Volcano Observatory and hypocenters of earthquakes that occurred from Jan. 1, 2024, through Feb. 6, 2025.

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or months ahead. Latest U.S.