What's a Limnic Eruption?

A limnic eruption, also known as a lake overturn, is a rare type of natural disaster in which dissolved carbon dioxide suddenly erupts from deep lake waters, forming a gas cloud capable of suffocating wildlife, livestock, and humans. A limnic eruption may also cause tsunamis as the rising CO 2 displaces water.

How does a limnic eruption work?

Limnic eruption is a rare natural phenomenon, where a large amount of carbon dioxide gas is released from a deep lake, also known as lake overturn. ... Since carbon dioxide is heavier than air, it can displace oxygen and fill the area with unbreathable air.

When was the last limnic eruption?

Nyiragongo last erupted on January 17, 2002, killing more than 100 people and covering almost all of the eastern part of Goma with lava, including half of the airport's landing strip. Its deadliest eruption was in 1977, when more than 600 people died.