Yellowstone supervolcano: 2.5 times bigger than anyone knew
Yellowstone supervolcano: The magma chamber underneath the Yellowstone caldera is 55 miles long and 18 miles wide. The Yellowstone supervolcano has the potential to erupt with a force about 2,000 times greater than the Mount St. Helens 1980 eruption, according to a new study.
HELENA, MONT. — The hot molten rock beneath Yellowstone National Park is 2 ½ times larger than previously estimated, meaning the park's supervolcano has the potential to erupt with a force about 2,000 times the size of Mount St. Helens, according to a new study.
By measuring seismic waves from earthquakes, scientists were able to map the magma chamber underneath the Yellowstone caldera as 55 miles long, lead author Jamie Farrell of the University of Utah said Monday.
The chamber is 18 miles wide and runs at depths from 3 to 9 miles below the earth, he added.
That means there is enough volcanic material below the surface to match the largest of the supervolcano's three eruptions over the last 2.1 million years, Farrell said.
"We do believe there will be another eruption, we just don't know when," he said.
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Yellowstone Photo Could Get You 1 Year
In Prison Under New Wyoming Law
Published on May 11, 2015
www.undergroundworldnews.com
Imagine visiting Yellowstone this summer. You wake up before dawn to take a picture of the sunrise over the mists emanating from Yellowstone hot springs. A thunderhead towers above the rising sun, and the picture turns out beautifully. You submit the photo to a contest sponsored by the National Weather Service. Under a statute signed into law by the Wyoming governor this spring, you have just committed a crime and could face up to one year in prison.
Wyoming doesn’t, of course, care about pictures of geysers or photo competitions. But photos are a type of data, and the new law makes it a crime to gather data about the condition of the environment across most of the state if you plan to share that data with the state or federal government. The reason? The state wants to conceal the fact that many of its streams are contaminated by E. coli bacteria, strains of which can cause serious health problems, even death. A small organization called Western Watersheds Project (which I represent pro bono in an unrelated lawsuit) has found the bacteria in a number of streams crossing federal land in concentrations that violate water quality standards under the federal Clean Water Act. Rather than engaging in an honest public debate about the cause or extent of the problem, Wyoming prefers to pretend the problem doesn’t exist. And under the new law, the state threatens anyone who would challenge that belief by producing information to the contrary with a term in jail.
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