For a change of pace, here’s something beautiful, fascinating, and, of course, a bit scary. That’s Mother Nature for you! After you ogle the photos, the writeup is pretty interesting. (Excerpts below.)
Yellowstone supervolcano ‘even more colossal’
By Rebecca Morelle
10 December 2013 Last updated at 20:36 ETHot springs are surface evidence of the huge magma chamber that sits beneath Yellowstone
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.
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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.
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It is unclear when the Yellowstone supervolcano will erupt again
The team found that the magma chamber was colossal. Reaching depths of between 2km and 15km (1 to 9 miles), the cavern was about 90km (55 miles) long and 30km (20 miles) wide.
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