SpeedrooGuessroo · All speeds

How fast is a pyroclastic flow?

700 km/hAbout 435 mph · Race

These volcanic avalanches of hot gas and ash can exceed 700 km/h.

That's about 12 times a red kangaroo's top speed (56 km/h).

700 km/h
a mako shark

By speed: a pyroclastic flow is about 10× faster than a mako shark.

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Things about as fast

Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].