The Most Powerful Volcanic Eruptions Through History

Before humanity’s dawn, Long Valley exploded with a force that redefined continents. Ash blanketed most of North America, drifting as far as the Atlantic. Entire mountain ranges quaked and rivers rerouted. It was one of Earth’s greatest eruptions — a prelude to Yellowstone’s fury. Today, the caldera still breathes: boiling springs,

shifting ground, and restless tremors speak of power not spent but waiting.