National

August 4, 2011

Volcanologist at Alaska's Mount Cleveland raise alert status

Signs of lava at Mount Cleveland prompted volcanologists to raise their alert level Tuesday afternoon for the Aleutian Islands volcano. The Alaska Volcano Observatory reports "heightened or escalated unrest" and the possibility of an eruption at the 5,676-foot volcano, according to the observatory's website.

Related content

Comments

Videos

Nation & World Videos