Pyroclastic flows (also known as pyroclastic density currents) contain a hellish combination of hot rock fragments (pyroclasts ... One notorious example of a pyroclastic flow happening elsewhere ...

After an eruption, DIY cushions of gas help searing torrents of gas, ash, and rock spread miles from their source within a matter of minutes. Pyroclastic flows contain a deadly combination of hot ...

At Massey University in Palmerston North, New Zealand, researchers released mixtures of hot rock, ash and gas down a channel to replicate volcanic avalanches known as pyroclastic flows.

Pyroclastic flows, it should be noted, are completely different than lava flows. Lava flows are molten rock, often oozing like syrup, whereas pyroclastic flows are a hot mess of exploded magma ...