An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

The league of experts and scientists who have spent decades keeping watch is being decimated by the Trump administration’s staffing cuts.

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Photograph by Matt Loewen, Alaska Volcano Observatory, U.S. Geological Survey ...

The 11,000-foot-tall volcano lies roughly 80 miles from Alaska's most densely populated city, and its eruption could cause international chaos.

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

Alaska's Mount Spurr has experienced ... While the likelihood of an eruption without additional warning is currently low, the volcano poses hazards for recreators on Mount Spurr.