Information About

Threequarter Cone

Quick Facts

Open in The Map Threequarter Cone on The Map

Location

51 ° 57' 0" N,
179 ° 32' 50" E

Region

Aleutians West (CA)

Uses

Threequarter Cone in Detail.

About

On the W wall of the caldera in the central part of Semisopochnoi Island, 2 mi NW of Mount Cerberus, Aleutian Islands.

History

So named in 1950 by R. R. Coats, U.S. Geological Survey (USGS), because "part of the cone has been removed in the formation of the caldera."