Lake Nyos Limnic Eruption 1986

Lake Nyos, a lake located in the Cameroonian jungle, is 682 feet deep, but what makes it menacing is that carbon dioxide is leaking into the water under the lake bed. Denser than air, it cannot rise to the surface on its own. On August 21, 1986 the dormant carbon dioxide erupted from the bottom of the lake, releasing a cloud that killed 1800 people in addition to livestock.
This Post Belongs To Most Terrifying Natural Disasters In History