Geologists discover ’super volcano’ in Utah, possibly larger than Yellowstone
2013 12 10

By Ed Yeates | KSL

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.

The eruption and collapse of the super volcano released almost 6,000 square kilometers of magma.

"It moved over a flat landscape covering 12,000 square miles in western Utah and eastern Nevada. It would have been unimaginable devastation." said Emeritus BYU geology professor Myron Best.

[...]

Read the full article at: ksl.com










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