Fourpeaked Mountain also known as Fourpeaked Volcano is an active stratovolcano in Alaska. The Alaska Volcano Observatory currently rates Fourpeaked as Aviation Alert Level Green and Volcanic-alert Level Normal. It is nearly completely covered by Fourpeaked Glacier. It was long a dormant volcano and believed by many geologists to be extinct; having not erupted in over 10,000 years. However, this view changed when it entered a new phase of activity by erupting on September 17, 2006. Read more