Power ... beneath Yellowstone National Park is much greater TPT

From Science 2.0 in Mar 2007

A 17-year University of Utah study of ground movements shows that the power of the huge volcanic hotspot beneath Yellowstone National Park is much greater than previously thought during times when the giant volcano is slumbering.

FTA:
Yet 17 years of GPS measurements show "the textbook model for a normal fault is not what’s happening at the Teton fault," Smith says. "The mountains are going down relative to the valley going up. That’s a total surprise."