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![](https://webarchive.library.unt.edu/eot2008/20081107193934im_/http://www.nsf.gov/images/x.gif) Press Release 08-148 Yellowstone's Ancient Supervolcano: Only Lukewarm?
![](https://webarchive.library.unt.edu/eot2008/20081107193934im_/http://www.nsf.gov/images/greenlineshort.jpg)
Molten plume of material beneath Yellowstone cooler than expected
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![Photo of a geyser in Yellowstone National Park.](https://webarchive.library.unt.edu/eot2008/20081107193934im_/http://www.nsf.gov/news/mmg/media/images/yellowstone1_f.jpg) |
Yellowstone National Park and its famous geysers are the remnants of an ancient supervolcano.
Credit: U.S. Geological Survey |
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![Topography of Yellowstone National Park showing the volcano's caldera, or sunken floor.](https://webarchive.library.unt.edu/eot2008/20081107193934im_/http://www.nsf.gov/news/mmg/media/images/yellowstone2_f.jpg) |
The Yellowstone volcano's caldera, or sunken floor, covers an immense area.
Credit: U.S. Geological Survey |
Download the high-resolution JPG version of the image. (196 KB)
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Use your mouse to right-click (or Ctrl-click on a Mac) the link above and choose the option that will save the file or target to your computer.
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