– Yellowstone ‘super-eruption’ less super than thought (Ice Age Now, Aug 28, 2014):
“Only” 2,200 cubic kilometers of ash (527.8 cubic miles).
Researchers at Washington State University and the Scottish Universities Environmental Research Centre say the biggest Yellowstone “super” eruption, which created the 2 million year old Huckleberry Ridge deposit, was actually two different eruptions at least 6,000 years apart.
By comparison, the 1980 eruption of Mount St. Helens produced 1 cubic kilometer of ash. The larger blast of Oregon’s Mount Mazama 6,850 years ago produced 116 cubic kilometers of ash. Continue reading »