Archive for December 11th, 2013


The danged thing is even bigger than we thought:

The supervolcano that lies beneath Yellowstone National Park in the US is far larger than was previously thought, scientists report.

A study shows that the magma chamber is about 2.5 times bigger than earlier estimates suggested.

A team found the cavern stretches for more than 90km (55 miles) and contains 200-600 cubic km of molten rock.

The findings are being presented at the American Geophysical Union Fall Meeting in San Francisco.

Prof Bob Smith, from the University of Utah, said: “We’ve been working there for a long time, and we’ve always thought it would be bigger… but this finding is astounding.”

If the Yellowstone supervolcano were to blow today, the consequences would be catastrophic.

The last major eruption, which occurred 640,000 years ago, sent ash across the whole of North America, affecting the planet’s climate.

I remember once visiting my late father, about ten years ago, and watching a couple of science programs on the Discovery channel after he had gone to bed. One was on asteroids smacking the Earth, the other was on supervolcanoes — including that monster under Yellowstone. Not surprisingly, I had a little trouble sleeping that night.

With this news, I may have trouble tonight, too.

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