pyroclastic

Why Are Pyroclastic Flows So Deadly?

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Why Are Pyroclastic Flows So Deadly? A pyroclastic flow is a hot (typically >800 °C, or >1,500 °F ), chaotic mixture of rock fragments, gas, and ash that travels rapidly (tens of meters per second) away from a volcanic vent or collapsing flow front. Pyroclastic flows can be extremely destructive and deadly because of their

How Does Pyroclastic Flow Kill You?

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How Does Pyroclastic Flow Kill You? Pyroclastic flows are flows composed of gas and volcanic material—prior research has shown that they can flow downhill away from an eruption at speeds of up to 450 mph—and temperatures are as hot as 1000 degrees C. When a person is overcome by such a flow, the result is