Forget Yellowstone… Snake River Plain’s volcano is a MUCH BIGGER threat to America Prison Planet.com Posted on April 28, 2016 Posted in Aggregated No Comments Tagged with Featured Stories, Tile UK Express | FOR those that thought Yellowstone super-volcano was one of the biggest natural threats to the USA, think again. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email