Yellowstone supervolcano a ‘much larger system’ than scientists had thought

Experts say new findings don’t necessarily increase the ‘Yellowstone hazard’ – despite claims it could be due a catastrophic eruption

Adam Withnall

Wednesday, 11 December 2013

The supervolcano hidden beneath Yellowstone National Park in the US is even more enormous than had previously been thought, scientists say.

The cavern of magma lying under the famous landscape – which account for its distinctive hot springs and geysers – is actually around two and a half times the size of earlier estimates, according to new analysis.

A team from the University of Utah said the findings were “astounding” when presenting the study to the American Geophysical Union Fall Meeting in San Francisco.

Scientists found the underground cavern stretches for more than 90km (55 miles) and contains 200-600 cubic km of molten rock, BBC News reported.

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Categories: Hmmm?

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