The Yellowstone volcano erupted at least three times in its lifetime, most recently 640,000 years ago. The super eruptions were propelled by the imposing magma chamber of the volcano, which extends from 5 km to 17 km underground. According to the US Geological Survey (USGS), the raw heat source under Yellowstone is one of the reasons why the soil around the volcano is rising. And the search for a soil upgrade in Yellowstone is crucial, according to the agency, as this could be a telltale sign of an outbreak burying itself deep underground.
The USGS said, "Because of the hotspot that lies beneath Yellowstone – and the supplies The heat needed to produce magma ̵
"Essentially, the region is carried up by the heat below the surface."
The soil around Yellowstone has also increased The end of the last glacial periods was called the Pinedale Ice Age.
About 22,000 to 13,000 years ago, the Yellowstone region was covered with a thick layer of ice during the last ice age.
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Yellowstone Volcano: Heat Under the Super Volcano Raises Soil in the Area
Yellowstone volcano: yellowstone erupted three times in the past
After the entire glacial ice melted, the ground rose due to the pressure applied to the super volcano.
The USGS said, "After the ice melted, there was some buoyancy due to the rebound & # 39; – Basically, removing the ice load caused the ground surface to rise.
"This is still happening in places like Greenland and Scandinavia, which were covered by epic ice sheets during the last great ice age, but Yellowstone kept thousands of them on of years.
"Interestingly, after the Pinedale glaciation, there were no outbreaks of magma.
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The region is carried upwards by the heat below the surface.
Another effect that contributes to the movement of soil at the Yellowstone volcano is the tectonic activity of the North American tectonic plate.
The Yellowstone volcano is located at an activity center near the North American plate and Pacific plate along the coast of Western America.
As The plate moves southwest, the movement stimulates the heat and molten rock to shoot up.
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and the sinking of a volcanic system like Yellowstone can last tens of thousands of hundreds of thousands of years before an eruption occurs.
When Mount St Helens erupted in 1980, for example, the northern flank of the volcano peaked at 80 m.
In other cases, a volcano such as the Californian Long Valley Caldera rose in various places in the 1980s and 1990s without blowing.
The USGS said: "The Campi Flegrei Caldera near Naples, Italy, had two boost episodes from 1970 to 1972 and again from 1982 to 1984.
Yellowstone Volcano: The Magma Chamber warms the water features in the National Park
was lifted 170 cm (67 inches) and then 182 cm (72 inches) out of the ocean at these two intervals.
"Every time some subsidence followed the climb, but no volcanic eruption occurred. "
Fortunately, there are no signs that Yellowstone will break out again in the near future.
The Super Volcano has recently erupted 640,000 years, 1.3 million years and 2.1 million years earlier.
The USGS said, "There is no evidence that a catastrophic eruption is imminent in Yellowstone, and such events are unlikely to occur in the next few centuries."