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The tsunami approaches the coast and the waters become shallow, wave shoaling compresses the wave and its velocity slows below 80 kilometres per hour(50 mph). Its wavelength diminishes to less than 20 kilometres(12 mi) and its amplitude grows enormously, producing a distinctly visible wave. Since the wave still has such a long wavelength, the tsunami may take minutes to reach full height. Except for the very largest tsunamis, the approaching wave does not break(like a surf break), but rather appears like a fast moving tidal bore. Open bays and coastlines adjacent to very deep water may shape the tsunami further into a step-like wave with a steep-breaking front.

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This is amazing I agree those scientists collaborating to find the tsunami effects, they'll create a huge artificial wave to study how it could be destroy certain areas, that's cool.

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