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Villages near the lake had almost no chance of survival, and in nearby Nyos only six out of 800 survived. Its deep waters were becoming ever more loaded with gas until more than five gallons of CO2 were dissolved in every gallon of water. Rather than releasing the gas, the lake was acting as a high-pressure storage unit. Lake Nyos sits high in a volcanic plain amidst the Cameroon line of volcanoes, which stretches into the Gulf of Guinea. We depend on ad revenue to craft and curate stories about the world’s hidden wonders. The lake itself fills a circular maar, formed when groundwater meets hot lava or magma and explodes. Due to the pressurized nature of the gas, it creates a rather lovely CO2-powered fountain of water. The only question is when.Like us on Facebook to get the latest on the world's hidden wonders.On August 21, 1986, something in the lake went off. This would cause the double disaster of both flooding and gassing simultaneously.Follow us on Twitter to get the latest on the world's hidden wonders.Also worrisome is Lake Kivu, a lake over 1,000 times larger than Nyos and in a much more populous area.

The lake is once again at CO2 levels higher than in 1986, and a natural dam on the lake is in danger of failing.

Geologists believe the Nyos maar formed about 400 years ago, though the area has been volcanically active since the South American and African tectonic plates split some 110 million years ago.Located in northwestern Cameroon, Lake Nyos sits in a crater on the edge of an inactive volcano in the Oku Volcanic Field. { Lake Nyos Was it a volcanic eruption? The main part of the funding came from the US Office of Foreign Disaster Assistance (OFDA).

A pocket of magma lies 80 kilometers (50 miles) below the surface. Lake Nyos was formed in a volcanic crater created as recently as 400 years ago. In what is known as a Limnic Eruption, the lake literally exploded, sending a fountain of water over 300 feet into the air and creating a small tsunami. (Those who did survive mostly did so by quickly escaping to higher ground on motorcycles.) Though it is impossible to know for sure from this image, it is possible that the small white dots are villages and settlements amidst the forests and brown, volcanic hills.Si le fichier a été modifié depuis son état original, certains détails peuvent ne pas refléter entièrement l'image modifiée.Ce fichier contient des informations supplémentaires, probablement ajoutées par l'appareil photo numérique ou le numériseur utilisé pour le créer.Despite the inherent dangers of living so close to active volcanoes and dangerous lakes, roughly 10,000 people populate the area. Michel HALBWACHS and the fountain on lake Nyos, February 2001.

It is unknown what the trigger was–landslide, small volcanic eruption, or even something as small as cold rain falling on an edge of the lake. 21st August 1986 When did it occur? The lake itself turned from a clear blue to a deep red, a change that was caused by iron churned up from the bottom, symbolic of the violence of the natural event.Since this disastrous event the lake has been monitored, and a simple degassing solution put in place. NYOS : 2001, JANUARY/FEBRUARY EXPEDITION. COMPTON,JOSEPHD. Due to the pressurized nature of the gas, it creates a rather lovely CO2-powered fountain of water.However, this may not be enough. The villages of Nyos, Kam, Cha, and Subum were all but wiped out, and more than 3,500 livestock animals perished in a matter of minutes. The soil on and around the old volcano is rich and fertile, and even after the 1986 disaster people were eager to return to it. Crater lakes commonly have high levels of CO2, as they are formed by the volcanic activity happening miles beneath them. But far more deadly than the water was the gas.But Lake Nyos is different: it is an unusually still lake, with little in the way of environmental agitation. This massive wave of deadly gas swept over the countryside. The huge amount of water rising suddenly caused a wave of at least 25 metres A large cloud of CO₂ was then emitted from the lake, of around 100,000-300,000 tons. 2. The hole from the eruption eventually fills with water, forming a crater lake.

Consider supporting our work by becoming a member for as little as $5 a month.In all, 1,746 people were killed. Scientists believe that a volcanic disturbance could cause the same kind of event seen at Nyos but on a much, much larger scale. People taking naps were killed without their relatives even realizing anything had happened, as the gas settled on the ground with enough concentration to kill, but leaving those standing unaffected.Lake Nyos was formed in a volcanic crater created as recently as 400 years ago. It has been shown to have a historical record of causing creatures in the lake to go extinct approximately every thousand years. A pipe has been installed in Lake Nyos that runs to the bottom of the lake and allows the gas to escape at a regular rate. A pipe has been installed in Lake Nyos that runs to the bottom of the lake, allowing the gas to escape at a regular rate. DEVINE, WILLIAMC. An international team of scientists and engineers is in Cameroon to begin 'degassing' Lake Nyos, scene of a 1986 natural disaster in which a cloud of carbon dioxide killed more than 1,700 people. Scientists have also investigated other African lakes to see if the same phenomenon is possible elsewhere.Cliquer sur une date et heure pour voir le fichier tel qu'il était à ce moment-là.La page suivante utilise ce fichier :Lake Nyos sits high in a volcanic plain amidst the Cameroon line of volcanoes, which stretches into the Gulf of Guinea.