Yellowstone supervolcano eruption 2015: Destruction will be unthinkable
Yellowstone supervolcano is the biggest among the known supervolcanoes in the world. Notwithstanding the fact that it has not erupted in a long, long time, any thought of its eruption unnerves the scientists and policymakers not just in the area, but whole of the USA. Any eruption, even minor will be catastrophic that world hasnâ€™t seen in a long, long time.
Though, in the known history of the world, the Yellowstone supervolcano has never erupted. Scientists estimate that the supervolcano erupted last some 640,000 years ago. In its entire history of existence it is said the Yellowstone supervolcano erupted only thrice and every time it happened it changed the geological landscape of North America. The next time is not going to be an exception and this is the most dreadful thought for scientists.
The supervolcano is massive and it is expanding. University of Utah scientists claim that the newly found reservoir is actually made up of magma which is around 30 miles long, 44 miles wide, 12 miles deep, and ending 28 miles below the deepness.
Dr Bob Smith who has been working on the Yellowstone supervolcano for a long time believes that eruption under Yellowstone would cover the western U.S with ash that would also enter the jet stream potentially crippling air travel and the worldâ€™s food supply. While talking about it, Bob Smith says, â€œThe actual hazard is the same, but now we have a much better understanding of the complete crustal magma system,â€ says he. Researchers are of the opinion that the overwhelming bulk of their magma cavities comprise scorching â€” yet solid â€” rock, which is hollow, like sponges, and filled with pockets of liquefied rock. An eruption in the next few thousand years is extremely unlikely, the USGS says. The Utah scientists put the yearly chance at 1 in 700,000 â€” about the odds that you will be struck by lightning. Nonetheless despite the low chance of eruption, it remains the most talked about issue among seismologists and others in the US.
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