ANCHORAGE - Mount Redoubt is again drawing attention because of its potential for an explosive volcano.
Geologists at the Alaska Volcano Observatory say there's a steam plume rising about 1,000 feet above the mountain roughly 100 miles southwest of Anchorage.
No explosive or ash activity such as occurred last Sunday has been identified and the observatory has not raised the warning level for the mountain.
The observatory says shallow earthquake activity under the volcano that began Friday continues, at times with one event per minute.
Activity has been detected primarily at stations nearest the summit.
Geologists say seismic activity or other signs of unrest could escalate over periods as short as 24 hours or less.
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