USGS Raises Volcanic Levels as Three Volcanoes Erupt at Once in Alaska

In Alaska's Aleutian Islands, things are heating up. The archipelago protruding from the 49th state, which is part of the "ring of fire" where the Pacific tectonic plate meets several others, has four active volcanoes.

According to the Alaska Volcano Observatory (AVO), a joint program of the US Geological Survey, the Geophysical Institute of the University of Alaska, Fairbanks, and the Alaska Division of Geological and Geophysical Surveys, three of the volcanoes are erupting or spewing steam and ash, while the fourth has elevated surface temperatures.

Raising Danger Levels

According to Mark Thiessen of the Associated Press, scientists have raised the danger level for the Great Sitkin, Pavlof, and Semisopochnoi volcanoes to "orange," meaning that eruptions are ongoing. In addition, Cleveland is now marked as "yellow" due to signals of unrest. All four are on the Aleutian Islands' furthest reaches.

Pavlof Volcano

These aren't the only volcanoes in the United States that need to be watched. Two other volcanoes, one in Hawaii and the other in Guam, are now active, according to the Weatherboy website.

Mauna Loa, the world's biggest volcano, is located on Hawaii's big island and has been experiencing a series of earthquakes in recent days but has not erupted. Pagan, in the South Pacific Ocean near Guam, has also experienced earthquakes and smoke emissions.

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