Scientists are on high alert after spotting a key sign that a US volcano is about to erupt. Huge plumes of steam have been seen rising from Mount Spurr, one of Alaska's largest active volcanoes. Mount ...

Scientists are on high alert after spotting a key sign that a US volcano is about to erupt. Huge plumes of steam have been seen rising from Mount Spurr, one of Alaska's largest active volcanoes.

Following up on last week's warning, the Alaska Volcano Observatory reiterated in a series of posts on X Wednesday that the volcano, located 75 miles west of Anchorage, the state's biggest city ...

The Alaska Volcano Observatory (AVO ... Officials say the increased seismic activity is a sign magma is rising beneath Mount Spurr, causing stress and cracking in the surrounding rock, leading ...