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Past And Future Limnic Eruptions Written By Lauryn Noyes Science And History

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A Study on Past and Future Limnic Eruptions Written by Lauryn Noyes Science and History A limnic eruption is an extremely rare, and fatal natural disaster that requires an unusual set of circumstances. To date, 2 separate documented volcanic eruptions have occurred. They were both fatal, happened in 1984, as well as 1986, and were within 60 miles of each other. In order for a limnic eruption to occur, you must first have a meromictic maar. A meromictic lake is a lake that has layers of water that do not mix. This occurs because of consistent air temperatures, it's very deep, and is shielded from the wind. Normally, lakes mix during the changing of the seasons because of the fluctuating temperatures. However, in a meromictic lake the consistent …show more content…

What ends up happening is that large amounts of CO2 is pumped into the lake, and because it's a meromictic lake, the gas builds up to extremely large and lethal amounts. CO2 becomes extremely pressurized. In the event of a small earthquake, landslide, or volcanic event, the pocket of CO2 gas will erupt to the surface of the water and hover close to the ground as a cloud until it dissipates. It's similar to a can of soda. The lake is essentially carbonated, and when you open the can the gas fizzes to the top. However, if you shake the can before opening it, the gasses become more pressurized. When you open the can, the gasses will shoot out and the contents explode. When the CO2 erupts from the lake, CO2 is 1.5 times denser than air so it hovers there as a cloud. This cloud can travel downhill. The CO2 cloud can travel very quickly and very far, ultimately killing everything in its path. The way it kills is it displaces the breathable atmosphere, suffocating the organism. Eventually, the cloud will dissipate. The most recent, fatal, and researched limnic eruption occurred on the evening of August 21, 1986, at Lake …show more content…

The way a neutron bomb works is that it kills all organisms, but does not destroy any structures. Locals claimed it was a spiritual attack. Two years earlier, on August 14, 1984 at 10:30pm another volcanic eruption occurred. Lake Monoun, located 50 miles away from Lake Nyos, was the first documented volcanic eruption in recent history. Though Lake Monoun was smaller than Lake Nyos, and the cloud did not travel nearly as far, it still caused all of the 37 people living within the village of Lake Monoun to die. All showed signs of skin damage, as a result of coming into contact with large amounts of CO2 for an extended period of time. Outside the village of Lake Monoun, a group of four men were driving by when their truck stopped working. The engine was suffocated by the CO2 gas. Unaware of the danger, two people stepped outside the truck to fix it. They died instantly. There were two men sitting on the roof of the truck, and they survived, because the CO2 gas was too dense to reach them. The Lake Monoun incident raised the interest of the US embassy in Yaoundè (Cameroon's Capital), and they called in scientist Haraldur Singursson to

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