Yellow stone National Park in the United States is sitting on top of the world’s biggest volcano, and geological experts are beginning to get nervous sweats.
It would explode with a force a thousand times more powerful than the Mount St Helensin 1980.
Spewing lava far into the sky, a cloud of plant-killing ash would fan out and dump a layer 10ft deep up to 1,000 miles away.
This is the nightmare that scientists are predicting could happen if the world’s largest super-volcano eruptsin 600,000 years, as it could do in the near future.
Read more: http://scienceray.com/earth-sciences/super-volcano-explosion/#ixzz1Cst0VqYk