I'm assuming everyone who's local already knows of the activity. As of 10:40 this morning they went to Level 2 of a "3 level system" for alerts. I suggest getting reports from the source (rather than listening to the media hype), or simply watching it yourself.
PNSN:
http://www.pnsn.org/NEWS/PRESS_RELEASES/MSH_09_2004.html "Volcano Cam":
http://www.fs.fed.us/gpnf/volcanocams/msh/