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GCSE Geography · key term
A series of waves produced by sudden displacement of a large volume of water, often following movement of the seabed during an earthquake.
Used by Edexcel
Paper 1
Revise: Causes and Measurement of Earthquake HazardsA tsunami is a series of waves caused by sudden displacement of a large volume of water. Earthquake-generated tsunamis are especially associated with undersea subduction zones.
Explain a tsunami through displacement of seawater. An earthquake beneath the sea does not automatically produce a tsunami.
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