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Posts tagged as “yellow”

Alaska Volcano Observatory raises the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano

Alaska Volcano Observatory raises the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano On July 12, 2019, the Alaska Volcano Observatory raised the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano. This change is based on increased seismic activity over the past few weeks, accompanied by elevated surface temperatures at the summit in satellite data. A pilot also observed incandescence in the summit crater […] The post Alaska Volcano Observatory…

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