I live in Tucson and have a few questions about Yellowstone. Would Arizona be affected by the initial blast? If not how much time would I have to get away before the ash starts falling?|||I think your question is, "how would the U.S. be affected...?". Yellowstone is a super-volcano, an eruption would be catastrophic. You should read more about Yellowstone online.|||If Yellowstone erupts, we're all screwed. We might as well just head to the other side of the world now, that way we won't have to try to get away when we can't even get a flight because of the ash.

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