Tsunami And Earthquake Hit Japan

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Massive Tsunami and Earthquake Hit Japan

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Massive Tsunami and Earthquake Hit Japan


Tsunami- which is also, known as “Tsunami wave train” is basically a sequence of waves of water which are generated by the dislocation of the huge amount of body of water they can sometimes reach at a point of more than 100 feet high on land, more often an ocean although it can also appear in large lakes. These water fortifications can be the reason of extensive devastation if they crash shore. These dreadful waves are generally produced due to large earthquakes undersea at tectonic plate borders. As the ocean floor, next to the plate boundary increase or decrease abruptly it dislocates the water over it and instigates the rolling waves that will be the reason of tsunami. About 80% of the tsunami occurs within the “Ring of fire” of Pacific Ocean, which is an active area geologically, where earthquakes and volcanoes are frequent because of tectonic shifts (Wessel, 2011).

Earthquake is one of the most terrible and destructive phenomena of nature. Annals of earthquake victims in the millions, hundreds of ruined cities and villages, damaged and destroyed buildings. Earthquakes occur due to sudden rupture of rocks of the earth and release of mechanical energy and are accompanied by tremors, shocks and vibrations of the earth's surface, covering a vast territory. During strong earthquakes disturbed the integrity of the soil, destroyed buildings and structures, bridges, roads, breaking down municipal power grids, there are rock falls, landslides, sometimes stems of the river and there are lakes (Toh, 2011).

Tsunami travels across the sea at up to 805 kilometres per hour or 500 miles. Deep into the ocean the waves may occur at only foot or some high, but as these waves moves towards the seashore and mingles with the shallow water they get slow and start growing in height and energy. Various tsunamis do not occur on the shoreline as extensive breaking waves but as an alternative be like rapidly heaving tide that swamp coastal areas. The people going through the tsunami should not forget that the fear have not passed along with the first wave; whereas they should wait for the officials to declare that area is safe. Earthquakes cause extensive property damage and claim thousands of lives. For example, as a result of the catastrophic earthquake intensity score of 8 in the Richter scale, June 21 1990 in the north of Iran it kills over 50 thousand people and nearly 1 million people were injured and homeless.

Natural Hazards

Natural disasters are natural phenomena that cause extreme situations, violate people's normal life and work sites. Natural disasters typically include earthquakes, floods, mudslides, landslides, snow drifts, volcanoes, landslides, droughts, hurricanes and storms. In some cases, these hazards, may be classified as fires, especially the massive forest and peat. The sources of natural hazards are on the territory under consideration for anthroposphere are part of the lithosphere, hydrosphere, atmosphere and outer space, in which flow of various adverse natural processes ...
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