January 21, 2011 - Active lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

democratic republic of the congo goma mount nyiragongo nyiragongo bright burning caldera color image cracked danger day earth science eruption fracture gas geology geoscience heat horizontal hot land feature landform lava lava lakes liquid magma melting molten natural disasters no people outdoors photography physical geography pit crater power in nature red smoke volcanic volcanic activity volcanic craters volcano