What is a ' poisoned zone '?

In the early twentieth century, a local fisherman, with his net, he saw that the water began to seethe, and then boiled in his eyes. There was a heavy thunder and the sky blue flame shot up. With the fear of young Yakut fell to the ground and covered himself with clothes. So he lay there as long as all is not quiet. Climbing up, he found that the clothes on their backs burned. Seine net was filled with boiling water in which boiled fish swam. The fisherman quickly pulled him away and rushed. Since then, the lake had the reputation of ...

Geologists have suggested that in this place deep underground deposits of coal burning, which can ignite the accumulated methane in underwater cavities. This phenomenon is, apparently, and watched the fishing.


The phrase ... Alas, sometimes even extinct volcanoes are a source of death!.

Thus, in the Upper Geyser River, adjacent to the Valley of geysers and crater Uzon, in the Kronotsky Nature Reserve is located on the Kamchatka Peninsula strange place called the Valley of Death. There you can see many of the remains of dead animals. On the slopes around the missing vegetation, visible only bare rock rock a greenish- yellow color on the surface - deposition of sulfur. In the air there is a smell of hydrogen sulfide.

People who find themselves in the area, through the 10-25 minutes. begin to feel the dryness and burning in the mouth, a dull ache in the back of the head. They have increased the pressure, nauseous, dizzy... The normal state of health is restored only after half an hour after the person leaves the place.

Although, according to scientists, the cause of death and deterioration of animal health in humans is the poisoning of carbon dioxide and hydrogen sulphide, evaporating from the depths by volcanic activity, the researchers could not understand why death occurs so quickly. (By the way, were among the dead and the people. ) For example, a huge bear hanged, barely tasted meat from the carcass of a dead animal in the valley. Only in 1982. it was found that in the volcanic fumes are present poisonous cyanide compounds in high concentrations.

Even more surprising and tragic events connected with Cameroonian Lake Nyos and Monoun. Both are volcanic craters, formed five hundred years ago. At the bottom of water bodies at rest magma The cooled and compressed under the pressure of the water. Because of the underlying processes gaseous matter goes through the pores out, mixed with the groundwater and into the lake. Gradually, the mixture is stored in the bottom layers.

If they are disturbed by something (eg, strong wind, landslide or earthquake ), from the solution starts to separate carbon dioxide. He just shoots up. Gas cloud killed all life for many miles around... So, in August 1984. at the ... August 21, 1986 Mr.. in the village on the shores of Lake Nyos were killed all the inhabitants (about 1,800 ), as well as pets, livestock and poultry. The streets were literally piled with corpses....

In 1999,. return to Cameroon, scientists from different countries to explore deadly phenomenon and try to avert the threat of the population. However, the project to clean water by toxic substances has not yet allocated funds.




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