Earth’s Active Supervolcanoes: The VEI-8 Eruptions and Their Restless Calderas

Only three supervolcanoes on Earth have unleashed VEI-8 eruptions and remain geologically active today: Yellowstone, Toba, and Taupō. Though currently quiet, they show subtle signs of life—uplift, heat, and seismic murmurs—reminding us that Earth’s most powerful volcanic systems never truly sleep.