By SHANNON HALL OCT. 10, 2017
The Grand Prismatic Spring in Yellowstone National Park, a large hot spring known for its vibrant coloration. Beneath the park is a powerful supervolcano which drives the spring and other geological activity. Credit Marie-Louise Mandl/EyeEm, via Getty Images
Beneath Yellowstone National Park lies a supervolcano, a behemoth far more powerful than your average volcano. It has the ability to expel more than 1,000 cubic kilometers of rock and ash at once — 250,000 times more material than erupted from Mount St. Helens in 1980, which killed 57 people. That could blanket most of the United States in a thick layer of ash and even plunge the Earth into a volcanic winter.
Continue reading the main story
And this story
Yellowstone’s supervolcano could erupt much faster than anyone thought
BGR News • Mike Wehner • 21 hours ago
There’s a dangerous giant sitting dormant in the United States, and when it finally wakes up it has the potential to cause utter devastation. I’m talking of course about the supervolcano hiding beneath Yellowstone National Park, and while it’s long been thought that any hint of a possible eruption would be seen thousands and thousands of years in advance, new research throws that safety buffer right out the window, suggesting that the Yellowstone Supervolcano could go from calm to critical in as little as decades.