On the W wall of the caldera in the central part of Semisopochnoi Island, 2 mi NW of Mount Cerberus, Aleutian Islands.
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."
East-northeast Indent, East-southeast Bight, North-northeast Bight, North-northwest Bight, South-southeast Bay, South-southwest Indent, Southwest Indent, West-northwest Bight, West-Southwest Bight,
Capes:East-southeast Head, East-southeast Point, North-northwest Head, Northeast Point, Petrel Point, South Point, South Tuman Point, South-southeast Point, South-southwest Point, Southeast Point, Tuman Point, West-northwest Point,
Cliffs:North Head, Southwest Knob, Sugarloaf Head, Tuman Head,
Hills:Islands:Lakes:Mountains:Anvil Peak, Mount Cerberus, Ragged Top, Sugarloaf Peak, Threequarter Cone,
Ridges:Streams: