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The Lake Nyos disaster was a rare natural event called a limnic eruption that occurred on August 21, 1986, in northwestern Cameroon. An underwater volcanic leak slowly saturated the lake's deep waters with carbon dioxide, which violently erupted as a massive gas cloud, suffocating approximately 1,746 people and thousands of animals. Deep beneath Lake Nyos, a crater lake situated on an old volcano, subterranean magma continually leaked carbon dioxide into the water. Over many years, immense pressure kept about 1.6 million tons of the gas dissolved and trapped in the lake's deep, cool layers. Because carbon dioxide is denser than air, the massive toxic cloud did not disperse into the sky. Instead, it rolled over the edge of the crater like an invisible, odorless tsunami, flowing rapidly down the nearby valleys at speeds of up to 60 mph. #facts #truecrime #creepy #disturbing #History