True color composite (RGB of bands 3-2-1 respectively) Landsat 7 ETM+ satellite image of Semisopochnoi in the Western Aleutian Islands of Alaska. The image was run through a 3x3 high pass filter and fused with the 15 meter panchromatic band data to produce a spatial resolution of 15 meters. North is up in the image.
Image courtesy of Steve J. Smith.