Yellowstone's ancient supervolcano: Only lukewarm?

The geysers of Yellowstone National Park owe their eistence to the "Yellowstone hotspot"--a region of molten rock buried deep beneath Yellowstone, geologists have found. But how hot is this "hotspot," and what's causing it?

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news139071134.html">Yellowstone's ancient supervolcano: Only lukewarm?</a></p> <p>The geysers of Yellowstone National Park owe their eistence to the "Yellowstone hotspot"--a region of molten rock buried deep beneath Yellowstone, geologists have found. But how hot is this "hotspot," and what's causing it?</p>