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A Level Geography - Severity of the Impacts of Tsunami

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Assess the severity of the various impacts of tsunami (12 marks) A tsunami is a series of waves from the sea which are triggered by an earthquake, landslide or volcanic eruption. A sub-marine earthquake can cause a tsunami due to the sudden release of pressure when one plate subducts. The uplifted fault leads to the water column to be displaced which leads to waves radiating in both directions. They increase in height as the water gets shallower and can reach 600mph. Perhaps the most severe impact of a tsunami is the degree of coastal development and its proximity from the coast as this can lead to the destruction of infrastructure. If roads and services are affected, it can drastically change how quickly the most in need receive help. Destroyed hospitals and roads makes it extremely difficult for the affected country to send help, and so it is forced to rely on an overseas ally to provide aid. This may also be a struggle, as tsunamis can wipe out communication systems w...

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