YELLOWSTONE SUPERVNEWS: OLCANO MORE THAN TWICE AS LARGE AS PREVIOUSLY THOUGHT

Yellowstone Supervolcano More than Twice as Large as Previously Thought

The supervolcano that sits beneath America‘sYellowstone National Park and fuels such geothermal wonders as Old Faithful and Mammoth Hot Springs is two and a half times larger than previously estimated. Scientists mapped the magma chamber underneath the Yellowstone caldera by analyzing seismic data and determined that it is 55 miles (88.5 km) long, 18 miles (29 km) wide, and contains 48 to 144 cubic miles (200 to 600 cubic km) of molten rock. If it were to erupt, the damage would be catastrophic and the effects felt worldwide. The supervolcano has erupted just three times in the past 2.1 million years. The last eruption was 640,000 years ago. More… Discuss

 

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