FOR those that thought Yellowstone super-volcano was one of the biggest natural threats to the USA, think again.
Eruptions at Snake River Plain in Idaho were “significantly larger” than geologists had previously thought.
Scientists from the University of Leicester discovered there were a staggering 12 massive eruptions over the course of four million years, beginning 12 million years ago.
The massive eruptions helped to form the 100 kilometre-wide Snake River Basin, with one of the most powerful eruptions occurring 8.1 million years ago
Furthermore, the Snake River Plain is situated on the Yellowstone Hotspot track, a region which spans from Nevada, through Oregon and Idaho and then to Wyoming where Yellowstone Volcano is located.