However, recent studies find that the speed at which the volcano can fill its magma chamber and erupt is on the order of a few decades. That means Yellowstone supervolcano could go from its usual activity like today to erupting in 2030's. Unraveling Yellowstone's Past Eruptions. read more
If the supervolcano underneath Yellowstone National Park ever had another massive eruption, it could spew ash for thousands of miles across the United States, damaging buildings, smothering crops, and shutting down power plants. read more
No one really knows when the Yellowstone supervolcano is going to erupt again. The last three big eruptions at Yellowstone were 2.1 million, 1.3 million, and 630,000 years ago. read more