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I saw the same program. If I remember, it will happen within the next 150 years. It is not a maybe. Each eruption of the volcano has the potential of setting off the landslide. Trapped water inside the volcano vaporizes during an eruption and provides horizontal pressure on the volcano cone. The last eruption in the 40's opened a 4ft wide gap at the surface. If the bad boyz have a powerful enough nuke, I imagine it could be used to trigger the mother of all landslides. But, who knows if it would have the desired effect. If it successfully triggered the landslide they are talking about, it would have a far more devasting effect than detonating it directly against the US.

How did you like the Discovery program broadcast just before this one? It was about a supervolcano sitting under Yellowstone NP. How big is it? About as big as the whole park! The last time it went off, about 600,000 years ago, it buried most of North America with a couple meters of ash. Oh yeah, it seems to go off every 600,000 to I think 800,000 years. While wiping most, if not all life on the NA continent, it would probably kill off most life on the planet due to the amount of sun light blocking ash in the atmosphere for a long time afterward. And I used to think people who went into volcano cones were crazy. I've been to YNP a few times, and camped there a couple nights.

Me? I'm just hoping to last for another 60 years! :-)

"While wiping most, if not all life on the NA continent, it would probably kill off most life on the planet due to the amount of sun light blocking ash in the atmosphere for a long time afterward. "

The Yellowstone 'super volcano' deposited six foot of ash on Nebraska, 600,000 years ago. The 'super volcano' Toba blew 70,000 years ago and some estimate that as few as 5,000 humans worldwide survived. (this is one cause of the DNA 'bottleneck' we hear so much about). Also, Haiwaai(sp) has a large crack and a history of 'long run' land slides. So....