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Would Arizona be affected if the volcano erupted at Yellowstone National Park?

Public Comments

1. yes and rest world
2. yes -AZ and TX were covered in ash from Mt St Helens.
3. no, it wont reach
4. every inch of the planet would be effected total wipe out ice age al gore goes into 666 year hybernation
5. Depends on the size of the eruption,, but would effect the green river which would also effect the colorado river as you know goes thru arizona
6. Ha, yes, it would be obliterated. Yellowstone is not just a valcano, it is a supervalcano, one of these has not gone off in about 700,000 years. Lets just say it would be several thousand times more powerful then Mt. St helens. Most of North America would be destroyed even if you were in New York, you would probably survive the blast, but you would immediatly be covered in many feet of ash, now, also remember that this ash is very hot and would incinerate most things within half the country around the valcano, but lets say, in New York, the ash would have cooled down but imagine being snowed in but it's not snow, it's ash by many, many feet. You can not breath this. It will be composed of pumace, which is like glass and will cut your lungs up and you will die of internal bleeding and suffocation, those who did survive would die of starvation and most likely thirst because the entire water supply would be covered in pumace ash, and the world would enter into the equivalent of a nuclear winter, it would be constant cloud cover and very cold, with very little opportunity to grow crops for several years. In essence, it will be an extinction level event and most likely will cut the human population by more then half. - by the way - this Valcano tends to erupt every 700,000 years or so, so we are overdue... although it could be 10,000 years from now, or tommorw, who knows.
7. It would likely affect the entire planet. It's one of the largest volcanoes on earth.
8. Uh, yes. You could say that. Yellowstone is a giant even by volcano standards. It would blow with the force of a nuclear war. If it were to erupt the dust and ash that it would throw into the air would blot out the sun on the way up turning day into night and causing a nuclear winter, and choke you on the way down filling your lungs with poison fumes and suffocating dust. It would effect the entire world, killing millions. America would be destroyed as a nation and as a super power, and the rest of the world would be plunged into a post apocalyptic state lasting decades, if not centuries. I believe that the appropriate quotation here would be: "and, lo, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood"
9. yes - in 3 ways. In the initial blast (which would be larger than anything we have ever seen before. Northern Arizona would be taken out by pure sonic blast. Phoenix may be spared cause it is "shielded" by the mountains, but probably not.) The 2nd way would be from the falling "burning" embers from the blast raining back onto the earth from space. This would set every forest in Arizona on fire, and probably kill most of the polulation (heat, CO2, smoke.) The 3rd impact would be the ash cloud that began to circulate the earth after several days, hiding the sun from plants. If Yellowstone "blows" then bend over and kiss your butt goodbye.
10. Here's a map showing fallout from previous VEI m8 eruptions http://www.tetonwyo.org/em/docs/images/yellowstone_ash_cover.jpg