Yellowstone Supervolcano Closer To Eruption Than Expected, Say Researchers

13 October, 2017, 16:23 | Author: Oscar Goodwin
  • GETTYYellowstone volcano WARNING Catastrophic eruption would destroy ALL life on Earth

"Until now, the magazine reported, geologists had thought it would take centuries for the supervolcano to make the transition". And a study in 2013 showed that the volume of magma moving into the supervolcano is almost three times larger than previously thought.

The new study also appears to overturn previous estimates of the time it took for the supervolcano's magma reservoir to refill.

Yet a massive eruption in the middle of the U.S.is still an unlikely event. A variety of sensors and satellites are always looking for changes, and right now, the supervolcano does not seem to pose a threat. They discovered that the supervolcano evolved after fresh magma flowed into the caldera.

Today, Yellowstone National Park owes much of its rich geologic beauty to its violent past.

Features of the park, such as the Old Faithful geyser and the Grand Prismatic Spring that attract visitors from around the world, are signs of a huge magma reservoir rumbling below.

According to National Geographic, the researchers, Hannah Shamloo and Christy Till, analyzed minerals in fossilized ash from the most recent eruption. Inside, they tracked the changes that the volcano went through before its eruption.

Shamloo and Till previously presented their research at a 2016 meeting held by the American Geophysical Union. And the eruption before that occurred in roughly the same time frame, according to ZME Science. Lucky for us, the supervolcano has been largely dormant since before the first people arrived in the Americas. The second blast struck 1.3 million years ago and the last eruption happened 640,000 years ago.

In 2011, scientists revealed that the ground above the magma chamber bulged by up to 10 inches in a span of about seven years. At that time, volcano expert Bob Smith, from the University of Utah said that it was an extraordinary uplift because it covered a very large area and the rates were very high.

In June, nearly 400 earthquakes hit the Yellowstone supervolcano, but researchers said that it was not a case of worry.

The US Geological Survey puts the yearly odds of another giant Yellowstone blast at around one in 730,000.

"We are all just living at the mercy of the super volcano under Yellowstone".

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