Image: National Park Service The Yellowstone ‘super volcano’ is a mega disaster eruption just waiting to happen. And if that isn’t enough to capture your attention, it has been revealed that Yellowstone’s underground volcanic plumbing is much bigger and better connected than scientists previously thought. Now let’s put it in context: Yellowstone National Park includes one of Earth’s largest volcanic-hydrothermal fields, and has an absolutely enormous caldera. Over the past 2.1 million years Yellowstone volcano has had three immense explosive volcanic eruptions, each with an enormous outpouring of magma and as much as 1,500 cubic miles of ash and
Original source: Yellowstone Super Volcano Much Larger Than Thought