Pyroclastic Flow • Earth.com

Last update: August 24th, 2019 at 2:00 pm

Pyroclastic flow might just be the scariest thing about a volcanic eruption. It is composed of superheated gas (1800 degrees Fahrenheit) and rock debris that moves at speeds of up to 450 mph down the side of the mountain… like a burning, molten rock avalanche.

Source: vulkane.net

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