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Volcanologists analyzed deposits of pumice along the entire volcanic zone Taupo.
Scientists from Vanderbilt University and Michigan Science University (USA) identified the possible cause of a catastrophic supercolar 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 has a maximum of eight points of volcanic activity, was thrown about 530 cubic kilometers of magma. It is known that 350-240 thousand years ago were eroding Taupo eruptions, which could affect the power of Oruanui.
It turns 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 probability 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 smaller chamber, causing small explosions. In the end, magma has accumulated in sufficient quantity to cause Oruanui eruption.
According to scientists, the results of the study will help to predict the time and the conditions for the eruption of 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 as a result of rising mantle feather, according to many scientists, due to friction of tectonic plates.
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