The simultaneous eruptions have been going on for more than a week but do not currently pose a threat to nearby communities or air travel.
Along a remote, roughly 800-mile stretch of Alaska's Aleutian island chain, three volcanoes are erupting at the same time, with at least two spewing low levels of ash and steam.
The simultaneous eruptions have been going on for more than a week but do not currently pose a threat to nearby communities and have not disrupted any air travel so far, according to the Alaska Volcano Observatory.
Still, the volcanic activity has made for a busier-than-usual time across the Aleutian Islands, the vast archipelago that juts westward from the Alaska Peninsula and acts as a border between the North Pacific Ocean and the Bering Sea.
Alaska has a lot of volcanoes, and we typically see maybe one eruption every year, on average," Matthew Loewen, a research geologist with the Alaska Volcano Observatory, told NBC News. "To have three erupting at once is less common, but it does happen."
Pavlof Volcano, Great Sitkin and Semisopochnoi Volcano all remain under an orange threat level Friday 13 August 2021, which signals that eruptions are underway and minor ash emissions have been detected.
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