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Tsunami

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Throughout the world there are many forces of nature containing huge destructing power. Tornadoes, floods, earthquakes, storms, hurricanes or even volcanic eruptions are taking place all around the globe at a given point in time. One of these most destructive natural disasters is named as Tsunami. The word Tsunami is of Japanese origin meaning harbor waves. However, that Tsunami name is discouraged by many scientists claiming that Tsunamis are not tidal waves and are not caused by tides.
Tsunami strikes have number of causes out of which the most common cause is “earthquake or a shift in the Earth’s tectonic plates. It is a wave of ocean caused by an earthquake, sometimes these waves are high, but not in all cases (Bryant, 2014). The enormous amount of water is taken by Tsunami to towns that destroy everything in its way.
Tsunamis are also caused by underwater volcanic eruptions. The explosion that takes place under the water can cause gas and dust during eruption. Similarly earthquake under the water causes the great waves by pushing the large volumes of water to the surface above. Earthquake or volcanic eruption under water can cause pressure to be released into a large body of water and shifts Entire Ocean as well. This huge surge of water is then pushed up towards the nearest land.
Usually earthquakes that occur on the seafloor or in the coastal areas cause Tsunamis. The energy that is generated by the earthquake is then transmitted through the water causing twelve inches sea waves (generally). This height goes unnoticeable because of low height but when this energy reaches the shallow waters of bays, harbors or coastline, it transforms the water tides into giant waves.
Cosmic collisions can also cause Tsunamis. When the meteors or asteroids under water collide with each other, it disturbs the water at surface level. These cosmic collisions can cause Tsunami to take destructive course (Hills, 1997).
Lastly, submarine landslides can also disturb the water on surface jointly with earthquakes. The sediments and rock slump down slope are redistributed across the sea floor. Whenever large amounts of dirt, mud or sand slides under the water uplifts the ocean water and ends up in Tsunami waves.
Tsunamis are not as common as other natural disasters; in fact it can cause significant damage to the world. The devastating event of 23rd March, 2011 shows how much deplorable can Tsunami be (Mimura, 2011).

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