No, the Yellowstone supervolcano is not ‘overdue’

Why mega-eruptions like the ones that covered North America in ash are the least of your worries.

Image: USGS - public domain
  • The supervolcano under Yellowstone produced three massive eruptions over the past few million years.
  • Each eruption covered much of what is now the western United States in an ash layer several feet deep.
  • The last eruption was 640,000 years ago, but that doesn't mean the next eruption is overdue.
Keep reading Show less
Quantcast