Pavlof volcano eruption intensifies

November 15, 2014 9:48 PM

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Scientists at the Alaska Volcano Observatory Saturday raised the alert level for Pavlof Volcano from "watch" (orange) to "warning" (red) Saturday as an ash cloud rose 25,000 feet above sea level.

AVO uses the U.S. Geological Survey's color coding system for volcanic alerts. Red indicates that "eruption is imminent with significant emission of volcanic ash into the atmosphere likely OR eruption is underway or suspected with significant emission of volcanic ash into the atmosphere."

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