ANCHORAGE, Alaska – One of Alaska’s largest and most active volcano is restless again, which scientists on the issue of aviation advice.
Alaska Volcano Observatory scientists increased the risk level of the Mountain Veniaminof (VEN’-ee-ah-mean-off) from yellow to orange, Tuesday. That color designation indicates that sudden explosions could send ash above 20,000 feet (6,100 metres), and threaten the international air planes.
The observatory for the coordination of the scientist, David Fee, says the 8,225-foot (2,500-meter) volcano was active, and Saturday. Fee says small and thin ash emissions seen rising to 10,000 feet (3,050 meters) at the level of the rise of the threat level change.
The volcano erupted for several months in 2013. Other recent outbreaks occurred in 2005 and between 1993 and 1995.
Veniaminof is 480 miles (772 km) southwest of Anchorage on the Alaska Peninsula.
Fee says the Cleveland Volcano in the central Aleutian Islands of Alaska’s most active volcano, with the last explosion in May.