limnic eruption
A rare natural disaster in which dissolved carbon dioxide suddenly erupts from deep lake water, suffocating nearby life. Technical term used in geology and disaster science.
In 1986, a limnic eruption occurred at Lake Nyos in Cameroon, causing many casualties.
A limnic eruption is a phenomenon in which carbon dioxide accumulated at the bottom of a lake is released all at once.
噴火 refers to a volcanic eruption, while 湖水爆発 is a limnic eruption involving gas release from a lake, not magma.
水蒸気爆発 is a phreatic eruption caused by water flashing to steam, often volcanic; 湖水爆発 is specifically a limnic gas eruption.
Compound of 湖水 (lake water) and 爆発 (explosion), directly describing the phenomenon.