Deep beneath the geysers of Yellowstone lies a hidden terror: a magma chamber 50 miles long. This documentary investigates the catastrophic potential of a Supervolcano, an eruption 1,000 times more powerful than Mount St. Helens.
Deep beneath the geysers of Yellowstone lies a hidden terror: a magma chamber 50 miles long. This documentary investigates the catastrophic potential of a Supervolcano, an eruption 1,000 times more powerful than Mount St. Helens.