In 1986, in Cameroon, many people died when an explosive cloud of carbon dioxide engulfed them. However, carbon dioxide emitted from volcanic activity is usually no problem because it dissipates quickly in the atmosphere.

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Carbon dioxide from volcanic activity typically disperses quickly in the atmosphere, but in 1986, a limnic eruption at Lake Nyos in Cameroon released a large amount of CO2, which suffocated nearby residents.

In 1986, in Cameroon, Many People Died When an Explosive