Astronauts and satellites capture images of some of the world's most violent eruptions.
This May 23, 2006, photo released by NASA shows the eruption of Cleveland Volcano, Aleutian Islands, Alaska, as photographed by an Expedition 13 crew member on the International Space Station. The image captures the ash plume of the very short-lived eruption. (AP Photo/Courtesy of Earth Sciences and Image Analysis Laboratory, NASA Johnson Space Center)
