Caption: Grimsvotn Volcanic Eruption in the Vatnajokull Glacier, Iceland.The eruption began on May 21, 2011 spewing tons of ash; initially the plume was over 20 kilometers high.
Size: 5443 x 3532 pixels
Size: 18.1 x 11.8 inches
Size: 46.1 x 29.9 cm
Resolution: 300 dpi