Interesting bit from one of my Buds.
2009-03-28 19:36:47 - VAN/VONA
Another explosive eruption of Redoubt volcano occurred at approximately 19:23 AKDT (03:23 UTC). NWS reports a radar cloud top above 45,000 ft above sea level.
You can stay posted on all the Alaska volcanos at
http://www.avo.alaska.edu/
shamelessly copied verbatium