Based on the current knowledge of super-eruptions, the grey’s landing event is one of the top five eruptions in the history of the earth.
“the younger of the two, the grey’s landing super-eruption, is now the largest recorded event of the entire snake river-yellowstone volcanic province.”
“we discovered that deposits previously believed to belong to multiple, smaller eruptions were in fact colossal sheets of volcanic material from two previously unknown super-eruptions at about 9.0 and 8.7 million years ago,” said study lead author thomas knott, a volcanologist at the university of leicester.
Volcanic super-eruptions are much more explosive than the eruptions seen in more recent years.
“these two new eruptions bring the total number of recorded miocene super-eruptions at the yellowstone-snake river volcanic province to six,” said knott.