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Yellowstone Supervolcano Bigger Than Thought

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posted on Apr, 12 2011 @ 05:02 PM
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Yellowstone Supervolcano Bigger Than Thought


The gigantic underground plume of partly molten rock that feeds the Yellowstone supervolcano might be bigger than previously thought, a new image suggests.

The study says nothing about the chances of a cataclysmic eruption at Yellowstone, but it provides scientists with a valuable new perspective on the vast and deep reservoir of fiery material that feeds such eruptions, the last of which occurred more than 600,000 years ago. [Related: Infographic - The Geology of Yellowstone.]

Earlier measurements of the plume were produced by using seismic waves — the waves generated by earthquakes — to create a picture of the underground region. The new picture was produced by examining the Yellowstone plume's electrical conductivity, which is generated by molten silicate rocks and hot briny water that is naturally present and mixed in with partly molten rock.





"It’s a totally new and different way of imaging and looking at the volcanic roots of Yellowstone," said study co-author Robert B. Smith, professor emeritus and research professor of geophysics at the University of Utah, and a coordinating scientist of the Yellowstone Volcano Observatory.




posted on Apr, 12 2011 @ 05:03 PM
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We know so much, yet so little about our planet. At least we were able to figure this out sooner rather than later. It is going to revise the statistics on the damage though if it were to erupt.



posted on Apr, 12 2011 @ 05:09 PM
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Well we fail to know again



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