Yellowstone had massive eruptions 2.1 million years ago, 1.3 million years ago, and 640,000 years ago, as well as several ...

It’s still possible that the northeastern portion of the park could erupt in a massive explosive eruption similar to those that have occurred at Yellowstone in the past 2.1 million years.

Not that Yellowstone is likely to still be a national park by the time it erupts. Any such eruption is expected to take place hundreds of thousands of years from now, study co-author Ninfa ...

Yellowstone National Park, known for erupting geysers like Old Faithful, ... The last eruption to occur at Yellowstone was 70,000 years ago, according to the United States Geological Survey.

"Yellowstone hasn't erupted for 70,000 years, so it's going to take some impressive earthquakes and ground uplift to get things started," the YVO says on its website.

Thankfully, USGS reassures that there is still about 100,000 years to go before the supervolcano is likely to erupt. 'In terms of large explosions, Yellowstone has experienced three at 2.08, 1.3 ...

The most recent eruption, which happened roughly 640,000 years ago, created the Mesa Falls ash bed, stretching east-southeast from the Yellowstone Plateau, scattering ash primarily in Colorado ...

There are different reservoirs, or pods, of magma below the Yellowstone Caldera, which is the sprawling basin formed during an immense eruption and dramatic collapse some 631,000 years ago.

It's important to note that if Yellowstone erupted, it wouldn't necessarily be a supereruption. The most common style of eruption, which last occured 70,000 ago, is a lava flow.

Yellowstone has not erupted in some 70,000 years, and the odds of a large eruption in the coming centuries are very low. Suggest a Correction. Suggest a Correction. Your ...

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...