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PROVO — Geologists at Brigham Young University have discovered what may be the world's largest "super" volcano that erupted in Utah's own backyard.
While there are a variety of volcanoes that blast away in different ways, super volcanic eruptions are the biggest that collapse into large calderas. Yellowstone Park is the remains of one of those calderas and it's still very much alive and active.
But, geologists think they may have found an equally as big if not bigger super volcano, one that shook up western Utah and eastern Nevada 30 million years ago. The eruption is hardly visible to the naked eye now, but underneath and in surrounding formations, the evidence was waiting to be uncovered.
"As far as we know, the Wah Wah Springs eruption is the largest known explosive volcanic eruption," said BYU professor of geology Eric Christiansen.
Read more at www.ksl.com...
Brigham Young University geologists found evidence of some of the largest volcanic eruptions in earth’s history right in their own backyard.
These supervolcanoes aren’t active today, but 30 million years ago more than 5,500 cubic kilometers of magma erupted during a one-week period near a place called Wah Wah Springs. By comparison, this eruption was about 5,000 times larger than the 1980 Mount St. Helens eruption.
“In southern Utah, deposits from this single eruption are 13,000 feet thick,” said Eric Christiansen, the lead author for the BYU study. “Imagine the devastation – it would have been catastrophic to anything living within hundreds of miles.”
A GEOLOGICAL survey team says an ancient super volcano exuded more than 450 cubic kilometres of molten magma in a single eruption, over what are now Ngaanyatjarra tribal lands. Geochemist Dr Hugh Smithies says it is the largest super volcano he is aware of on the planet.
America it always has to do thing bigger than everywere else.
It is the law of earth to alter the full and to contribute to the modest. High mountains are worn down by the waters, and the valleys are filled up. It is the law of fate to undermine what is full and to prosper the modest.
Isaiah 40:4 CEB
Common English Bible
Every valley will be raised up, and every mountain and hill will be flattened. Uneven ground will become level, and rough terrain a valley plain.
I'd love to be alive with access to sufficient resources to monitor coverage of one of those events, as well as having sufficient enough safety in distance, shelter, and preparedness to survive such an event in relative ease and comfort.