Alaska volcano erupts again; aviation alert raised to red

ANCHORAGE, Alaska (AP) — An Alaska volcano that has been active for nearly six months has erupted again.
The Alaska Volcano Observatory says Bogoslof (BOH-gohs-lawf) Volcano in the Aleutian Islands erupted at 2:16 p.m. Sunday and sent a cloud of ash at least 35,000 feet (10,668 meters) high. The eruption lasted 55 minutes.
Ash can harm and stop jet engines. Ash from southwest Alaska volcanos is a threat airliners operating between North America and Asia when a cloud rises above 20,000 feet