High Quality Content by WIKIPEDIA articles! The Makushin Volcano (also known as Mount Makushin) is an ice-covered stratovolcano located on Unalaska Island in the Aleutian Islands of the U.S. state of Alaska. With an elevation of 2,036 metres (6,680 ft), its summit is the highest point on the island. Makushin is one of the most active among the 40 volcanoes of Alaska. It has erupted at least two dozen times over the past several thousand years, with the last eruption occurring in 1995.