Characteristics of the wave
tsunami waves are different from ordinary. A wave that can travel long distances. Without energy loss And can destroy the coast, far away from the origin of several thousand kilometers. Typically, a tsunami wave in water. Is traveling slower than the vibration of seismic waves traveling in the ground, so the waves may affect land after the people that felt the earthquake area for several hours. Wave is typically measured are two important features is the period which lasts between two and wavelength of a wave is the distance between the two waves. In the open ocean, tsunamis are very long period. It started a few minutes until the hour. Meanwhile, it has a very long wavelengths. It may be up to several hundred kilometers. While the general wave caused. Winds at the coast, it has a period of about 10 seconds and has a wavelength of about 150 meters, the height of the waves in the open ocean, often less than one meter, which can not be observed by the people on board. Tsunamis can travel at speeds ranging from 500 to 1,000 kilometers per hour, when the shore at a depth decreases. Waves are formed as a reduced speed and wave height. You may have a height of over 30 meters.
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