Magma is the explosive lifeblood of volcanoes. The Yellowstone supervolcano, centered in northwestern Wyoming

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has plenty stored beneath its geyser-laden surface.

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But magma is a mixture of both solid and liquid parts, and not all of it can erupt.

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To find out just how much geologic goulash can potentially come out of the volcano if it erupts

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scientists applied a relatively new technique to a 20-year-old catalog of seismic data.

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Their study, published Thursday in the journal Science, concludes that there is more molten rock in Yellowstone’s upper magma reservoir

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New Estimate Finds More Magma Under Yellowstone Supervolcano The extra magma doesn’t mean it’s more likely to erupt, scientists say

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16 percent to 20 percent of it is liquid, compared with older estimates of about 10 percent.

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