Wednesday, February 1, 2012

[Geology2] Color Code for Cleveland Volcano Moves from Yellow to Orange



(6 minutes ago)

From :U.S. National Weather Service--

The Alaska Volcano Observatory is monitoring Cleveland Volcano, located along the central Aleutians approximately 940 miles southwest of Anchorage, for the possibility of eruption.

The observatory has elevated the Aviation Color Code from Yellow to Orange (Alert Level: Watch), indicating that Cleveland Volcano is exhibiting "heightened or escalating unrest with increased potential of eruption." Orange is the second highest warning level in the four-color alert system.

No ash emissions or explosive activity have been observed at this time, though a new lava dome, approximately 130 feet in diameter, was observed in the summit crater by remote sensing.

The most recent eruptions, which occurred December 25-29, 2011, produced minor eruptions to just 15,000 feet. The most recent significant eruption occurred in 2001, which sent ash clouds as high as 39,000 feet.

Learn more...Alaska Volcano Observatory:https://www.avo.alaska.edu/
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