Global Volcanism Program | Image GVP-09532

Gas-and-steam plumes (center) rise from the upper SSW flanks of Kupreanof. This is the largest and NE-most of a group of five relatively close Quaternary volcanic centers opposite Stepovak Bay. The only reported activity from Kupreanof consisted of minor steam and ash emission in 1987. Photo by Tom Miller, 1973 (Alaska Volcano Observatory, U.S. Geological Survey).

Gas-and-steam plumes (center) rise from the upper SSW flanks of Kupreanof. This is the largest and NE-most of a group of five relatively close Quaternary volcanic centers opposite Stepovak Bay. The only reported activity from Kupreanof consisted of minor steam and ash emission in 1987.

Photo by Tom Miller, 1973 (Alaska Volcano Observatory, U.S. Geological Survey).

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Galleries: Geothermal Features

Keywords: fumarole | vent | crater

Kupreanof