Alaska Volcano Watch Group Ups Caution Level for Aleutian Chain Volcano

The group is keeping the aviation color code at “orange” and the alert level at “watch” in response to a new lava dome growing in the summit crater.

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By Heather VacLav

Story Created: Aug 7, 2011 at 8:38 PM AKDT

Story Updated: Aug 10, 2011 at 3:55 PM AKDT

Last Wednesday, the Alaska Volcano Observatory upped the caution level for the Mt. Cleveland volcano after noticing an increase in activity.

Today, the AVO issued another status report and indicates that activity is still going strong.

The group is keeping the aviation color code at “orange” and the alert level at “watch” in response to a new lava dome growing in the summit crater of the Cleveland volcano on the Aleutians.

That dome has grown more than 30 feet in the past week, which increases the likelihood of an explosive eruption.

AVO officials said it's unlikely that any explosion would affect air travel.

The organization will continue to closely monitor and track the volcano’s activity.

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