Yellowstone Supervolcano Beneath the peaceful beauty of Yellowstone lies one of the most powerful forces on Earth — a supervolcano capable of changing the entire planet in a single eruption. Scientists say it’s overdue, silent, and building pressure beneath our feet. If it ever woke up, ash could blanket states, skies could turn dark, and life as we know it would shift in an instant. Some believe the animals, the geysers, even the sudden ground rises are quiet warnings we’re not paying attention

34K views · 517 reactions | When Yellowstone’s supervolcano erupted 2.1 million years ago, it made a hole the size of Rhode Island. Makes you wonder what will happen the next time it erupts. | National Geographic TV | Facebook

27K views · 354 reactions | For this month's video update of the Yellowstone Volcano Observatory, we'd like to introduce you to a friend of ours. This friend has been monitoring changes of the ground surface in Yellowstone for decades and is so good that it can detect movement of just a few millimeters in magnitude (just a fraction of an inch). The friend? A continuous GPS station! There are dozens of continuous GPS stations throughout the Yellowstone region, and they show us that the ground in