File:Location map Umnak Island.png

DescriptionLocation map Umnak Island.png English: Map of Unmak Island for pin Geographic limits of the map: N: 53.793° S: 52.51° W: -169.486° E: -167

Map of Alaska volcanoes, Okmok Caldera, Alaska Volcanoes of the Alaska Peninsula and Aleutian Islands. Source: http://geopubs.wr.usgs.gov/dds/dds-40/