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

Mount Spurr near Anchorage is emitting dangerous gases and experiencing unrest, signs that it is likely to erupt in coming weeks or months.

A volcano near Anchorage, Alaska's largest city, could erupt in the 'next few weeks or months,' the Alaska Volcano Observatory (AVO) has shared in a release.