There’s enough magma under Yellowstone to fill the Grand Canyon

There’s no sign at all that this old volcano is going to erupt anytime soon, either in a big way or a huge, show-stopper way.

By Joel Achenbach

Full Story: http://www.washingtonpost.com/news/speaking-of-science/wp/2015/04/23/scientists-find-missing-link-in-yellowstone-plumbing-this-giant-volcano-is-very-much-alive/?hpid=z1