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Pyroclastic flow — Edexcel GCSE Geography B Definition | GradeGen

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Geography
Key terms
Pyroclastic flow

GCSE Geography · key term

Pyroclastic flow

Definition

A fast-moving flow of very hot gases, ash and rock fragments travelling down a volcano.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Geography B · 1GB0

Paper 1

Volcanic hazards are potentially damaging processes or materials produced by volcanic activity, such as lava flows, ash fall and pyroclastic flows.
Revise: Causes and Characteristics of Volcanic Hazards

Edexcel Geography B past papers

Related key terms

Composite volcano
Effusive eruption
Lahar
Lava
Magma

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