Alaska volcano erupts again, sending ash cloud over Aleutian Islands

An Alaska volcano that has erupted periodically since mid-December has sent up its biggest cloud to date, prompting warnings to airliners and a major US fishing port in the Aleutian Islands.
Bogoslof Volcano erupted late on Tuesday, spewing ash for three hours and sending a cloud of it to 35,000 feet, the Alaska Volcano Observatory reported.