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IMAGE 159821
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Comparison of the extent of ice and snow melt at the summit of Makushin Volcano, July 6 and July 27, 2020. Sometimes, volcanic unrest manifests itself by an increase in the heat output at or around the active vents. The extent of snow and ice melt in the July 27 WorldView-2 image does not look significantly different compared to the July 6 image. The slight increase in the snow/ice free area in the July 27 image is likely the result of seasonal melting rather than a change in heat output. We would expect to see a much more dramatic change in the extent of snow and ice at the summit if the heat flux had changed appreciably since July 6. WorldView-2 images courtesy of USGS NextView License.

Date: July 28, 2020 12:00 AM
Photographer/Creator: waythomas, chris

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Image courtesy of AVO/USGS.
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Page modified: December 23, 2019 16:01
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