The Top 5 Largest Known Supervolcano Explosions in History

  Eruption Ejecta Volume
Years Ago
1 La Garita Caldera Eruption 5,000 km³
(VEI 9.2)
27,800,000 Colorado, United States
2 Lake Toba Eruption 2,800 km³
(VEI 8.0)
74,000 Northern Sumatra, Indonesia
3 Atana Ignimbrite Eruption 2,500 km³
(VEI 8.0)
4,000,000 Andes, Northern Chile
4 Yellowstone Huckleberry Ridge Eruption 2,450 km³
(VEI 8.0)
2,100,000 Idaho / Wyoming, United States
5 Whakamaru Eruption 2,000 km³
(VEI 8.0)
254,000 North Island, New Zealand
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Sources:  Top 5 of anything Research including: USGS.

List Notes: List is the top 5 largest supervolcano eruptions in known history. Scientists with the U.S. Geological Survey use the Volcano Explosivity Index (VEI) to measure the magnitude of ejecta in volcanic blasts.
Largest Known Supervolcano Explosions in History

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