Previously, a 2011 study showed that the ground above the magma reservoir in Yellowstone had thickened about 25cm in 7 years.
Researchers believe that super volcanoes threaten the US may never revive again.
The researchers found that super volcanoes can erupt at any time, without the impact of earthquakes or external stimuli.
Although it seems to be sleeping, the Yellowstone super volcano (USA) can erupt lava in the future, and scientists are trying to improve predictability when Yellowstone wakes up.
The world's leading expert on Arthur Saltykovski volcano, the Institute of Earth Physics named Schmidt predicts: In the next one or two decades, the Yellowstone volcano in the
Scientists predict a lot of volcanoes are