AVO

Mount Shishaldin is simmering down after a Friday eruption sent an ash cloud across the eastern Aleutians, prompting the Alaska Volcano Observatory to raise the aviation color code to red.

Mount Shishaldin in the eastern Aleutians is erupting, marking the latest event in a summer of increased activity at the volcano.

Two ash eruptions from Shishaldin Volcano disrupted air travel to the Aleutians Tuesday.

Shishaldin volcano, which has been erupting for days, sent an ash cloud 40,000 feet into the air above Unimak Island early Friday morning.

A volcano on Unimak Island in the Eastern Aleutians is on watch for an eruption — Shishaldin is spewing lava at its summit, but the real threat is if it starts to emit ash.

The ice-filled caldera of Takawangha, which rises 4,753 feet out of the Bering Sea, is in the far western Aleutians, about 55 miles west of Adak. The volcano has been showing signs of unrest since Nov. 18.

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