Volcano World -University of North Dakota site Lots of great information Kid friendly http://volcano.und.nodak.edu/
Volcano info - US government site http://volcanoes.usgs.gov/
good maps of volcanoes around the world http://www.geo.mtu.edu/volcanoes/world.html
Hawaii Volcanoes National Park http://www.nps.gov/havo/home.htm
Official site of Mt. St. Helens Check out the volcano cam! http://www.fs.fed.us/gpnf/mshnvm/
USGS, Cascades Volcano Observatory Good source of information http://vulcan.wr.usgs.gov/Outreach/AboutVolcanoes/framework.html