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

Scientists from the Alaska Volcano Observatory have reported significant unrest at Mount Spurr, an 11,070-foot volcano located approximately 80 miles northwest of Anchorage, Alaska, indicating a potential eruption in the coming weeks or months,

A 2025 volcanic eruption at Mount Spurr near Anchorage is “likely” according to a new bulletin by the Alaska Volcano Observatory. The timing of the eruption and its size remain uncertain, the observatory said in a notice published Tuesday,