1. the tsunami. the meaning and characteristics of tsunami waves.Tsunami (tsunami) refers to motion in the ocean waves, which, with a very high speed, power and violence. Move over long distances. When moving into coastal areas, will cause a very large waves called tidal waves, causing enormous damage to life and property of the people living on the coast. This type of wave is different from normal waves caused by wind blowing over the surface of water in the ocean, the word tsunami comes from Japan language means "harbor wave (harbour waves), this is because the country's coast, Japan at a harbor-side Pacific Ocean often receive from this type of wave is frequently called names like that. Later, this name has led to its widespread use is generally understood. Country Thailand The Royal Academy has coined the terminology of the word tsunami is tsunami, Thailand that language.The important characteristics of the tsunami is a wave-motion in the ocean consists of a series of waves that are very long distances between each wave, from 100 balls, 200 kilometers, and there are lessons until the wave is movement of waves, each ball from 10 minutes to 1 hour can be moving at a high speed from 800 until more than 700 kilometers per hour and moving long distances in hundreds or thousands of kilometers. If there is no land in any barrier in the sea while in the deep water area. The height of the waves, there are only 30 cm to 1 m, but when it reaches the shallow water area. Near the coast will add height and intensity, respectively, may resemble a large wall that continued into the coast. If a narrow Gulf Coast or shaped as a cone filed into the soil. The waves may increase the height up to 30 m obviously borne waves onto shore to clash with dwellings located front. If this is a low-rise building construction is not strong, it will be destroyed until smooth. Thankfully, tsunami is one very serious disasters, human.
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