Steaming crater lake inside of the summit crater of Korovin Volcano in the Atka Volcanic Complex during an Alaska Volcano Observatory observation and gas measurement flight on August 28, 2025. The lake is warm with sulfur deposits floating on top due to an active hydrothermal system.
Date: Aug 28th, 2025
Volcano(es): Atka volcanic complex
Photographer: Dietterich, Hannah
URL: avo.alaska.edu/image/view/196821
Credit: Image courtesy of AVO/USGS.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.
Volcano(es): Atka volcanic complex
Photographer: Dietterich, Hannah
URL: avo.alaska.edu/image/view/196821
Credit: Image courtesy of AVO/USGS.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.
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