Where is the safest place to go if Yellowstone erupts?

A: For the most likely type of volcanic eruption in Yellowstone, everywhere would be safe except in the immediate vicinity of the advancing lava flow. In the highly improbable event of a large catastrophic eruption, the great the distance from the eruptive center, the safer it would be.



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Would New York be affected by Yellowstone erupting? If the big volcano, which last erupted 640,000 years ago, were to blow up again, it would spew enough ash to send particles as far away as New York City.

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Would Arizona be affected by Yellowstone? It could wipe out all life on Earth: A gigantic explosion could blanket entire states with ash and lower the temperature of the Earth. The last time this supervolcano erupted, which was hundreds of thousands of years ago, ash spread all the way to Arizona and beyond.

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Debris in the atmosphere could reduce the Earth's surface temperature by several degrees Celsius or more. This would result in a global cooling event that could last for many years, or possibly decades after the eruption.

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The lava flows themselves would be contained within a relatively small radius within the park — say, 40 miles or so. In fact, only about one-third of the material would actually make it up into the atmosphere.

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If you live anywhere near an active or dormant volcano, you should be prepared to evacuate at a moment's notice as eruptions are not always predictable. The danger area around a volcano covers approximately a 20-mile radius; however, some danger may exist 100 miles or more from a volcano.

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It would kill around 100,000 people instantly and make most of North America uninhabitable as huge amounts of ash and dust would be thrown into the atmosphere.

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No. A very large volcanic eruption would cause a severe cold period called a volcanic winter, but not an ice age. Volcanic eruptions cool the planet by creating a fine aerosol of sulfuric acid in the stratosphere. The highly reflective droplets prevent a portion of the sun's light from reaching and heating the surface.

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Yellowstone's greatest geological threat isn't a supervolcano. It's a magnitude-7 earthquake. YELLOWSTONE NATIONAL PARK, Wyo. – While concerns about a potential eruption of the supervolcano beneath this iconic park may garner the most alarming headlines, a more likely hazard in the coming decades is a large earthquake.

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Yellowstone Will Take 3 – 5 Years To Fully Recover From Massive Flooding. Yellowstone Superintendent Cam Sholly told Cowboy State Daily that it will take 3 - 5 years before Yellowstone fully recovers from the massive flood which hit the park last month.

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