Pyroclastic flows are made up of a mix of hot lava, pumice, ash and volcanic gases. They can reach temperatures of up to 1,000 degrees Celsius and can—in extreme cases—move down the slopes of ...

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Pyroclastic flow is full of rocks, ash and hot gas. It blasts across the ground at speeds over 50 mph and is incredibly hot — sometimes over 1,000 degrees Fahrenheit.

“We want to understand these pyroclastic flows so we can do a good job of forecasting the behavior of these flows when a volcano erupts,” he says. “The character and speed of the flows will affect how ...

Analyzing pyroclastic flows in real life is not only difficult, but also profoundly dangerous. So a team of scientists decided to replicate them in a laboratory using a literal ton of volcanic ...

Pyroclastic flows are a mixture of hot gas along with volcanic matter, like ash and rock fragments, she said. They are incredibly hot and can travel faster than a moving vehicle in some cases.

Aqua/MODIS image of Paluweh in Indonesia taken on February 5, 2013. The southern half of the image looks greyer than the January 27, 2013 image (above), evidence of the ash and pyroclastic flow ...

The pyroclastic flow sped down a slope of broken rock, or talus scree, called Sciara del Fuoco. Though a few hundred residents call Stromboli home, the eruption did not affect any homes or ...

Pyroclastic flow is kind of like the alien wall of fire in “Independence Day.” It’s full of rocks, ash and hot gas. It blasts across the ground at speeds over 50 mph and is incredibly hot ...

Guatemala's Volcan de Fuego -- Volcano of Fire -- erupted spectacularly Sunday, shooting a plume of ash and gas nearly 6 miles into the sky and spreading ash and debris across towns and farms more ...