Contact: Diana Lutz
Washington University in St. Louis
Caption: When the rimwall of Iapetus's Malun crater broke off and plunged more than five miles to the crater floor, it surged an astonishing 22 miles out from the base of the wall before finally coming to rest.
Credit: NASA/JPL/Space Science Institute
Usage Restrictions: Credit required
Related news release: Giant ice avalanches on Iapetus provide clue to extreme slippage elsewhere in the solar system