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Yellowstone
No volcano has erupted in Yellowstone Park, at least not in recorded history.
Nowhere
No. The last time Yellowstone erupted there were no people around to be affected.
I think the first time it erupted was 2.1 million years ago. At least of the first time yellowstone had erupted very powerfully. The other times were 1.5 million years ago, and 640,000 years ago.
Yes. It erupted 3 time in the last 2.1 million years
From the collapse of a massive magma chamber after it last erupted.
It didn't. The Yellowstone volcano last erupted about 70,000 years ago. The last super eruption was about 640,000 years ago.
There's a super-volcano there, which has erupted before, destroying everything in int path.
We are actually 20,000 years over-due for in to have erupted. It could happen any time.
three times in the last 2.2 million
They're both volcanoes; one difference is that Mt. St. Helens was recently active and Yellowstone last erupted hundreds of thousands of years ago.