April 13, 2011
Nyiragongo Lava, Congo
Photograph by Carsten Peter, National Geographic
This Month in Photo of the Day: Nature and Weather Photos
Cradling one of the world's largest and least studied lava lakes—more than 700 feet across and possibly miles deep—Nyiragongo has twice sent molten rock racing toward residents of Goma.
See more pictures from the April 2011 feature story "The Volcano Next Door."
See more pictures of volcanoes »
Buy a print of this photo