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Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S. Geological Survey and Alaska Volcano Observatory to issue a yellow alert.

The Alaska Volcano Observatory on Wednesday said Mount Spurr is at risk of erupting within the next few weeks or months, potentially impacting residents 78 miles away in the city of Anchorage.

The eruption started overnight. There is no immediate report of casualties. The 12,300-foot (3,763-meter) high volcano is one of the most active in Central America. It last erupted in June 2023. The ...