Eventually the unrest will culminate in a large earthquake or volcanic eruption.This is a pretty scary read. The last eruption was 640,000 years ago (unless you're a YEC, in which case it was in early 2008).
The chance of an eruption any time soon is abysmally low, according to some geologists.
Park geologist Hank Heasler said the odds of a cataclysmic eruption at Yellowstone any time soon are astonishingly remote — about the same as a large meteorite hitting the Earth. The last such eruption occurred 640,000 years ago. The last eruption of any kind at Yellowstone was a much smaller lava flow about 70,000 years ago.But if it should erupt, consider this:
"Statistically, it would be surprising to see an eruption the next hundred years," Lowenstern said.
A super-eruption has the potential to cover the United States in 3 feet of ash from a plume. Pyroclastic flow would engulf the greater part of three states, and there is evidence that the last major 'super' eruption plunged the world into a freezing, volcanic winter that lasted a decade. An eruption would devastate world agriculture, severely effect the distribution of food and cause mass famine.
![](http://1.bp.blogspot.com/_XJHB6bRQ4Cg/SWmAW41mR5I/AAAAAAAAAQo/F_lzRin360k/s400/yellowstone-volcano.gif)
This diagram shows the potential range of the total destruction.
Luckily, Las Vegas is located just outside this area of total destruction, so we'll be fine.
http://www.youtube.com/watch?v=kUtSH_-__cM
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