The ground of the super volcano in Yellowstone National Park in the United States has risen sharply for several kilometers due to underground magma. According to the online edition of National Geographic, some areas of the super volcano have risen to 10 inch (about 25 cm). As the only active super volcano on the mainland, Yellowstone volcano provides heat sources for all hot springs, geysers and steam caves in Yellowstone National Park. It is predicted that there is a magma chamber with a diameter of about 70km and a thickness of about10km under its crater, and it is still expanding.

In fact, the abnormal situation of Huangshi volcano has been reported for a long time: since 1923, the ground in some areas of Huangshi National Park has risen by 70 cm, and there are about 3000 earthquakes in Huangshi every year related to this activity; However, in the past three years, its ground began to rise at an average annual rate of 7.6 cm, which is an unprecedented growth rate.

The most worrying consequence of this phenomenon is that Yellowstone volcano will erupt again. In the past 640 thousand years, Yellowstone volcano has had 30 very small eruptions, the most recent one was 70 thousand years ago. However, in the past 265,438+million years, there were only three large-scale outbreaks. Because of the lack of data at this stage, scientists who are closely monitoring the volcano can't say when it will erupt for the fourth time, nor will they blindly issue a comprehensive warning. If the nightmare comes true, it will be the first large-scale eruption of Yellowstone volcano in 640,000 years, and its impact will be more severe than last year's Eyjafjallajokull volcano in Iceland, which will have a great impact on China, but it will not make mankind extinct.