NASA - National Aeronautics and Space Administration

NASA scientists took visible and infrared (IR) digital images of Mount St. Helens on Tuesday, Oct. 12, 2004 that show an increase in the number of hot spots in the crater of Mt St Helens and a plume of smoke emitting from the crater. Bright red in the crater indicates hot spots, blue indicates snow and clouds/plume.

	MASTER bands 44 (9.12 um), 31 (3.88 um) and 22 (2.22 um) displayed in RGB. All bands show differences in temperature. Hi-Res Image (920KB)
	MASTER bands 44 (9.12 um), 3 (0.54 um) and 1 (0.46 um) displayed in RGB. Band 44 shows differences in temperature. Hi-Res Image (1MB)

Photo Credit: JPL-NASA