YELLOWSTONE SUPERVOLCANO TO ERUPT SOON – real or fake?

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– ABOUT THIS SHOW –

In this episode of Real or Fake, we’re taking a look at all the predictions out there that the supervolcano under Yellowstone National Park in the United States will soon erupt.

A supervolcano is a large volcano that has had an eruption of magnitude 8, which is the largest value on the Volcanic Explosivity Index (VEI). This means the volume of deposits for that eruption is greater than 1,000 cubic kilometers (240 cubic miles).

Supervolcanoes occur when magma in the mantle rises into the crust but is unable to break through it and pressure builds in a large and growing magma pool until the crust is unable to contain the pressure. This can occur at hotspots (for example, Yellowstone Caldera) or at subduction zones (for example, Toba). Another setting for the eruption of very large amounts of volcanic material is in large igneous provinces, which can cover huge areas with lava and volcanic ash, causing long-lasting climate change (such as the triggering of a small ice age), which can threaten species with extinction. The Oruanui eruption of New Zealand’s Taupo Volcano (about 26,500 years ago) was the world’s most recent super eruption at a VEI-8 eruption.

ALSO IN THIS SHOW…

SCUBA DIVER IN PARK
BABY OWLS
ABE LINCOLN

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