This map shows the directions from which major tsunamis have reached New Zealand since the 1860s. The term ‘run-up’ refers to the height of the tsunami wave above normal sea level. The area inundated by a tsunami depends on the run-up (height) of the wave and the slope of the land.
It is clear that future tsunamis from distant sources may come from any direction.
Te whakamahi i tēnei tūemi
Te Ara – The Encyclopedia of New Zealand
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Source: GNS Science
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