Mount Redoubt erupted at about 1:30 pm Saturday and the eruption shot ash about 45,000 feet into the air, officials said.  The volcano erupted four times on Friday, shooting ash about 51,000 feet into the air.  The eruptions are the latest in a series that began March 22, 2012. 

The Alaska Volcano Observatory has set the alert level at red, the highest possible.  Alaska airlines cancelled all of its flights on Thursday and limited flights to and from Anchorage on Friday.  After Saturda...
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