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.

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 ...

(Photo by Vince Ferenczy, Alaska Volcano Observatory) The Alaska Volcano Observatory is closely monitoring ... That’s why it’s crucial to get as much advance warning as possible. “The main risks of a ...

moment as the Popocatepetl volcano releases a dramatic ash fumarole into the sky. The time-lapse effect adds depth and intensity to the volcanic eruption, making it a stunning visual spectacle Aerial ...

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.

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

The volcano's depth and remote location mean that eruptions primarily consist of slow-moving lava flows on the seafloor. These are unlikely to generate tsunamis or other hazards that could affect ...