Yellowstone supervolcano 'even more colossal'
Rebecca Morrella, BBC News, 10 December 2013 (hat tip: NC)
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.
I live somewhat downwind of a nuclear power plant, so I am not immune to locality based impending doom.A team found the cavern stretches for more than 90km (55 miles) and contains 200-600 cubic km of molten rock.