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Tsunamis generally aren't the enormous towering unbroken waves seen in the movies, rather, a wide mass of water and foam resembling a huge broken surge wave with great power behind it.
Hello Anonymous,
What a question! I hope you're in no danger from a tsunami because that's definitely something you don't want to tangle with. Tsunamis are caused (usually) by an underwater earthquake, eruption or some other anomaly. They in turn create waves that are truly killers. Remember the tsunami of several years ago? Scores of people vanished and were never heard from again. A word of caution, however. If you do find yourself in a tsunami, go inland immediately, and please bear this in mind; if you think the first wave is bad, subsequent waves are even worse. You're better off on land than on the ocean during a tsunami. Tsunami waves can travel very fast, upwards of 300-400 miles per hour so you can't outrun them. Hope this answered your question.
tsunamis are formed due to the shift of tectonic plates usually due to earth quake. due to this a large volume of water is shifted creating a wave. once this wave approach the shored they speed up and create collosal damage.
Tsunamis happen when there is an underwater earthquake, causing the ocean floor to move violently up or down. When the ocean floor moves like that, the water above it has to go somewhere so it spreads out in a very fast wave. The wave is a tsunamis.
It doesn't. In deep water a tsunami isn't even a big wave. A boat can go right over one without even noticing it. The problem is when the tsunami hits shallow water.
Unlike normal waves which are only on the surface, a tsunami goes all the way to the bottom. So what happens when a miles (or kilometers) high wall of water hits the shallower seabed near a shore? It piles up. Not miles high, of course, since the water crumbles, but still rather high. And with the forward momentum it just keeps piling up and driving forward.
Tsunami is a Japanese word meaning ''huge wave'' that refers to a
series of large ocean waves. It is caused basically due to underwater
earthquake, Richter magnitude exceeding 7.5 to produce a destructive tsunami.
Concept can be summarized as follow:
The
earth is constantly moving on large tectonic plates. When these tectonic plates
moves past each other, collide and/or slide under one another an earthquake
results. This is what happened with the recent tsunami that devastated Southern Asia. A massive
earthquake in the Indian Ocean measuring 10.0 on the Richter scale
jolted the seabed causing the sudden displacement of a very large volumeof water. The earthquake
temporarily produces a fluctuation in the mean sea level of a specified
area. Waves quickly form as the displaced water tries to recapture
equilibrium by filling the vacuum that was created. Tsunamis are a series of
extremely long waves that are created after a large volumeof wateris displaced. The amount displaced
must be significant enough to create waves underwater in the vast ocean.
Waves are formed as the displaced water mass moves under the influence of
gravity to regain its equilibrium. The larger the displacement, the larger the
wave generated.
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