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These conditions catastrophic SUPERVOLCANO eruption

Названы условия катастрофического извержения супервулканаVolcanologists analyzed deposits of pumice along the entire volcanic zone Taupo.

Scientists from Vanderbilt University and Michigan technological University (USA) identified the possible cause of a catastrophic SUPERVOLCANO eruption at Taupo in New Zealand. According to the findings of researchers, it has occurred because of the ascent of magma to the surface as a result of other, smaller-scale eruptions.

The eruption of the SUPERVOLCANO Taupo or sverzhenie Oruanui occurred 26.5 thousand years ago. The disaster, which on a scale of volcanic activity reached a maximum eight points, was thrown about 530 cubic kilometers of magma. It is known that 350-240 thousand years ago there were seven weaker eruptions Taupo, which could affect the power Oruanui.

It turned out that after each small eruption, which ejected about 50-150 cubic kilometers of magma, volcanic deposits closer to the surface. Although small explosions reduced the likelihood of a super eruption, “speed” rise of magma contributed to the future activity of the volcano. For thousands of years, molten rock has entered the smaller and less deep chamber, causing small explosions. In the end, magma has accumulated in sufficient quantity to cause an eruption Oruanui.

According to scientists, the results of the study will help to predict the time and set the conditions for the eruption of supervolcanoes like the Yellowstone Caldera.

Earlier, in July 2018, it was reported that geologist John Zhou (Zhou Ying) from the Polytechnic University of Virginia (USA) came to the conclusion that the Yellowstone SUPERVOLCANO was formed not as a result of rising mantle plume, according to many scientists, due to friction of tectonic plates.

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