What Can We Learn From Wenchuan Earthquake

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known as a quake, tremor or temblor) is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to toss people around and destroy whole cities. The seismicity or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time. And Wen Chuan Earthquake is just one of the most severe.

A tectonic earthquake begins by an initial rupture at a point on the fault surface, a process known as nucleation. Once the rupture has initiated, it begins to propagate along the fault surface. Finally, the force of earth will break out in the place. Generally speaking, all the earthquakes which happened before were all caused by the rupture dynamics. The Wen Chuan earthquake is a good example. As we all know, Si Chuan province is located in the border of ...

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