Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an eruption, according to volcanologists.

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

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at Mount Spurr in the next few weeks or months has increased. The Alaska Volcano Observatory said Wednesday that it had measured during recent overflights “significantly elevated volcanic gas emissions,