Saturday, March 18, 2006

Site of the day


The Alaska Volcano Observatory

A webcam on Augustine Island Alaska is monitoring a volcano that is currently at a 'Level of Concern' of Orange.

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Level of Concern codes explained.

GREEN No eruption anticipated.
Volcano is in quiet, "dormant" state.

YELLOW An eruption is possible in the next few weeks and may occur with little or no additional warning.
Small earthquakes detected locally and/or increased levels of volcanic gas emissions.

ORANGE Explosive eruption is possible within a few days and may occur with little or no warning. Ash plume(s) not expected to reach 25,000 feet (7,630 m) above sea level.
Increased numbers of local earthquakes. Extrusion of a lava dome or lava flows (non-explosive) may be occurring.

RED Major explosive eruption expected within 24 hours. Large ash plume(s) expected to reach at least 25,000 feet (7,630 m) above sea level.
Strong earthquake activity detected even at distant monitoring stations. Explosive eruption may be in progress.

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