Tsunami simulation. First of 3 three-dimensional computer simulation images showing a giant sea wave (tsunami) off the coast of Portugal in 1755, one minute after formation during an earthquake. Water is blue and land is yellow. The tsunami (at lower left) is shown as ripples on the otherwise flat surface of the sea. Tsunamis travel at about 725-800 kilometres per hour in deep water. This computer model forms part of the international Genesis and Impact of Tsunamis on European Coasts (GITEC) project to assess the effects of a tsunami in the near future. (See also photo's E275/004 and E275/005).

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