what does limnic mean
From Wikipedia, the free encyclopedia. Lake Nyos, silty after a limnic eruption. A limnic eruption, also referred to as a lake overturn, is a rare type of natural disaster in which dissolved carbon dioxide (CO 2) suddenly erupts from deep lake water, suffocating wildlife, livestock and humans.Such an eruption may also cause tsunamis in the lake as the rising CO 2 displaces water.Scientists believe earthquakes, volcanic activity, or explosions can trigger such an eruption.uch an eruption may also cause tsunamis in the lake as the rising CO 2 displaces water. Scientists believe earthquakes, volcanic activity, or explosions can trigger such an eruption.