The Alaska Volcano Observatory has noticed 'significant unrest' for the Aleutian volcano, raising the alert level to advisory status.
ANCHORAGE, Alaska - A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible indication of an impending eruption.
There have been hundreds of small earthquakes, none larger than magnitude 2.75, but they are concentrated beneath the summit of the volcano, he said.“Whether or not this will lead to an eruption is something we can’t say at this point in time,” he said. “But we are concerned about it enough that we have gone and elevated the warning level.”
The volcano is on an uninhabited island in the western Aleutians, about 1,250 miles southwest of Anchorage. There are no communities or structures there, but Adak, a city of about 170 residents on another island, is about 65 miles away and could see ashfall. Tanaga is actually part of a three-volcano complex on the island. It’s the tallest of the three at 5,925 feet . It sits in the middle, with Sajaka, a 4,443-foot volcano to its west. Sajaka had an older cone that collapsed into the North Pacific Ocean with a new cone that has emerged.
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