It's common knowledge that Yellowstone Park sits on top of an ancient supervolcano, but what happened last time it erupted?
Yellowstone Has a Young Volcanic Vent With a 'Fiery' Surprise Beneath the Surface, Stuns Experts Yellowstone National Park ...
Today, Yellowstone remains a place of low volcanic risk. Sure, there are sometimes small explosions stoked by hot water and ...
Yellowstone's volcano is not extinct ... out for miles beneath us and a few little hills to the north—old lava domes. But I can't follow the caldera rim visually because much of it is beneath ...