Magma

Yellowstone’s Supervolcano: Eruption Risk Assessed Yellowstone, one of Earth’s largest active supervolcanoes, could unleash a catastrophic eruption capable of triggering a nuclear winter and global famine. Nestled beneath a national park spanning Wyoming, Montana, and Idaho, its magma chamber lies just 2.3 miles (3.8 km) below the surface—roughly the depth of some of the world’s […]