Shishaldin Volcano (left) and Mt. Isanotski, Unimak Island, ca. 1912

Caption on image: Shishaldon Volcano, Alaska. Mt. Isanotsky PH Coll 247.263 The Shishaldin Volcano is one of the most active volcanoes in the Aleutian arc. It has erupted at least 29 times since 1775. The cone has a base diameter of approximately 10 miles (16 km). The most recent eruptive period occ...

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Bibliographic Details
Main Author: Thwaites, John E. (John Edward), 1863-1940
Other Authors: University of Washington Libraries. Manuscripts, Special Collections, University Archives Division
Format: Other/Unknown Material
Language:unknown
Published: 1912
Subjects:
Shishaldin Volcano (Alaska)
Isanotski Volcano (Alaska)
Volcanoes > Alaska
Unimak Island (Alaska)
Jagged
Aleutian Island
Alaska
Online Access:http://cdm16786.contentdm.oclc.org:80/cdm/ref/collection/thwaites/id/216
Description
Summary:Caption on image: Shishaldon Volcano, Alaska. Mt. Isanotsky PH Coll 247.263 The Shishaldin Volcano is one of the most active volcanoes in the Aleutian arc. It has erupted at least 29 times since 1775. The cone has a base diameter of approximately 10 miles (16 km). The most recent eruptive period occurred in April-May 1999. Mt. Isanotski is a stratovolcano, also known as "Ragged Jack" for its rugged and jagged features, that is located on Unimak Island in the Aleutian island chain. It has not erupted since the 1840s.

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