This natural-color satellite image shows Klyuchevskaya on March 19, 2010. The volcanic plume, low-lying clouds, and snow are all white, while a lava flow on the shadowed (northern) flank of the mountain is nearly black. The image was acquired by the Advanced Land Imager (ALI) aboard NASA’s Earth Observing-1 (EO-1) satellite.
NASA image by Robert Simmon, using ALI data from the EO-1 team. Caption by Robert Simmon.