For those interested, see the link below. I find this fascinating. The earth has acid indigestion. John Lee http://lens.blogs.nytimes.com/2010/04/18/photographing-icelands-fiery-volcano/?th&emc=th * To join/leave the list, search archives, change list settings, * * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *