[Whenifhow]

Live seismic monitor

http://aslwww.cr.usgs.gov/Seismic_Data/heli2.shtml

Monitor Yellowstone here (USGS under gag order since 2000)

http://www.isthisthingon.org/Yellowstone/daythumbs.php

[Cindy]

Thanks for the links Whenifhow.