Mount Carlisle

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Mount Carlisle is a stratovolcano in Alaska which forms part of the 5 mile (8 km) wide Carlisle Island, one of the Islands of Four Mountains which, in turn, form part of the central Aleutian Islands.

Key Information

Mount Carlisle
View of steep-sided, symmetrical Carlisle volcano on Carlisle Island
Highest point
Elevation	5,283 ft (1,610 m)[1]
Prominence	5,283 ft (1,610 m)[1]
Listing	US most prominent peaks 105th
Coordinates	52°53′38″N 170°03′15″W / 52.89389°N 170.05417°W / 52.89389; -170.05417[2]
Geography
Mount Carlisle Alaska
Location	Carlisle Island, Alaska, U.S.
Parent range	Aleutian Range
Geology
Formed by	Subduction zone volcanism
Mountain type	Stratovolcano[2]
Volcanic arc	Aleutian Arc
Last eruption	1828
Show more

Despite its modest summit elevation, a small glacier exists high on the western slopes just below the rim of the summit crater.

A few historical eruptions of Carlisle have been recorded, but its proximity to several other neighboring volcanoes means that there has been some confusion in the older records as to which of the volcanoes was erupting. As the area is extremely remote, distant observations of volcanic plumes cannot be verified for certain.

It is 1.9 miles (3.1 km) across the Carlisle Pass from Chuginadak Island and is 5.6 miles (9.0 km) northeast of Herbert Island. Carlisle Island has as diameter of 4.3 miles (6.9 km).

• Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs
• Alaska Volcano Observatory

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