flemster writes "Tsunami mapper is a new site which uses the googlemaps elevation service and the flood fill algorithm to predict which areas near a coast are likely to be affected by a tsunami. You can search for your local beach, set a wave heading and height and then double click the tsunami starting point off the coast, after which the tsunami range will be drawn. Naturally, predicting a tsunami is far more complicated than this and this application is a general guide and not a true predictor. However the simulations of the recent Japanese simulation are interesting. Compare the tsunami mapper simulation with this aerial photo of Ishinomaki after the March tsunami."
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