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A volcanic cloud is racing toward you. Here’s your only chance

A volcano starts rumbling, and suddenly erupts. But instead of seeing lava trickling down, you see a massive cloud of ash ...
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Mayon volcano’s pyroclastic flows reached 5.08 km — the longest runout since the current eruption began — as 287,000 people remain displaced

On May 2, a collapsing lava front on Mayon Volcano sent a superheated torrent of gas, ash, and rock 5.08 kilometers down its southeastern slopes, the longest pyroclastic flow recorded since the ...
Nanowerk

Pyroclastic flow

A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...