Tsunami is very dangers.tsunami is coming  few peoples is fear and runing out side and in side .and In 2004 tsunami is coming on indian ocean  is very danger .there thousand peoples are died in tsunami.we are on ocean and tsunami was whats are you do that you are doing that you are runing very fast and dont seeing the tsunami .
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Tsunamis, commonly called tidal waves by the general public, are large sea waves or surges. These waves can carry a lot of energy from one side of the globe to the other, reeking havoc where ever they make landfall, and as shown by the December 26, 2004 SE Asian event, tsunami's can claim thousands of lives and cause millions of dollars worth of damage to property. Many people picture large, breaking waves when they hear the word tsunami. This is usually not the case, however. Most tsunamis make landfall as little more than a gigantic surge, as if the tide just moved in way too far way too fast.  This surging nature of tsunamis is mostly due to the extremely long wavelength, generally on the order of A tsunami can turn into a locally, large and breaking wave if the wave energy is concentrated, shortening the wavelength and increasing the amplitude.  This often happens if the wave enters a bay, fjord or similar feature.