The characteristics of tsunami
.Tsunami is different from water waves is very simple. The waves can travel long distances without losing energy. And can destroy the coast are far from the origins of thousands of kilometers.Will travel much slower vibration of earthquake wave is traveling in the ground. Therefore, the wave may match the impact after people around feel an earthquake for several hours.500, to 1000 kilometers per hour. However, when into the coast with depth decreases. The waves will be reduced speed and start the formation wave height by the subject a height of more than 30 meters.