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Alaska Volcano Observatory

Chagulak description and statistics

Chagulak Links
Statistics
Type:Stratovolcano
Seismically Monitored: No
Distance: 987 mi (1588 km) from Anchorage
Elevation: 3747 ft (1142 m)
Latitude: 52.5714° N
Longitude:171.1395° W
Quadrangle: Amukta
CAVW Number:1101-20-
Sample Image: thumbnail

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Location Map:
Synonyms:Chagulak Island
Tchegulack
Chagulah Island
Chegoula Island
Chugul Island
Tchegoula Island
Tchougoulok Island
Description
From Wood and Kienle (1990): "Chagulak is a small stratovolcano separated from Amukta by ~7 km of ocean, but the two coalesce at depth. Chagulak is unstudied; the only geologic information available is a single chemical analysis. A low-potassium, high-alumina basaltic andesite (51% SiO2, 0.59% K2O) was recovered from the north-northwest shore of the island, but the sample's geologic setting is unknown."
URL: http://www.avo.alaska.edu/volcanoes/volcinfo.php?volcname=Chagulak
Contact Information: AVO Web Team