Here is an infrared image of Mt St Helens taken on October 1st,

In this image blue indicates the snow cover, orange and yellow colors are characterizing the rock type and lava age, and the red color is indicating heat. (Image courtesy of NASA/Ames Research Center)
For more images and updated information go here
http://amesnews.arc.nasa.gov/releases/2004/helen/helen.html
posted on Wednesday, October 06, 2004 6:07 PM