Global Volcanism Program | Image GVP-04551

Unimak Island has three volcanoes constructed along an E-W line. Shishaldin is in the foreground and is the highest of the three in this 1987 photo. Isanotski is to the right and Roundtop is in the far distance. Photo by Clayton and Marcia Brown, 1987 (courtesy of John Reeder, Alaska Div. Geology & Geophysical Surveys).

Unimak Island has three volcanoes constructed along an E-W line. Shishaldin is in the foreground and is the highest of the three in this 1987 photo. Isanotski is to the right and Roundtop is in the far distance.

Photo by Clayton and Marcia Brown, 1987 (courtesy of John Reeder, Alaska Div. Geology & Geophysical Surveys).

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Galleries: Volcanic Gases | Stratovolcanoes

Keywords: stratovolcano | plume | emissions | gas

Roundtop

Isanotski Peaks

Shishaldin