Ok, obviously this is a fairly big subject area, but I thought it would be useful if there was a list of all the threads on it, so as not to need to search for them any time the subject comes up. As such here will be a list of threads about Yellowstone (date started in brackets, dd/mm/yyyy):

Explosive Situation in Yellowstone (1/8/2003)

What would happen if a terrorist nuked Yellowstone? (16/10/2004)

The Yellowstone SuperCaldera Project Research Forum, Most members involved either no longer on ATS or Banned. (17/9/2003)

Yellowstone eruption... what then? (11/9/2005)

Is Yellowstone going to erupt this year? BTW, it didn't. (4/1/2006)

Silent Yellowstone Geyser erupts (15/6/2006)

Super Eruptions at Yellowstone (1/11/2006)

Surprising Activity at Yellowstone Supervolcano (15/3/2007)

Science and Technology Forum

What if they Nuked Yellowstone? (26/3/2004)

Is the Super Volcano Beneath Yellowstone Ready to Blow? (14/2/2005)

More results can be found, I just tried to mention those with a larger number of replies.

[edit on 19-4-2007 by apex]