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IMAGE 15305
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View of the southeast side of Kasatochi. The prominent cliff like feature inside the present coastline is the former shoreline of the island. The flanks of the volcano and the rim are covered by pyroclastic flow and surge deposits. At the coastline the surge deposits are 1-2 m thick, and are much thicker higher up on the flanks. The pyroclastic flow deposits contain pumice and were still hot with many gas escape structures and fumaroles evident. Lithic clasts up to 2 m in diameter have been eroded out of the pyroclastic flow deposits by the sea and form a boulder lag along the coastline. All flora and fauna on the island were destroyed by the pyroclastic flows and surges and the USFWS cabin on the southwest flank was either destroyed or buried beyond recognition.

Date: August 23, 2008 12:00 AM Adak time
Photographer/Creator: Waythomas, Chris

Citation Information:
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.

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Page modified: October 21, 2015 15:33
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