The impact of ground, which is caused by a sudden movement of the crust of the earth as heat energy in the world, powerful force stress stress is a collection of the world's working, broken stone.and the sudden movement of the slide, is the main cause of the earthquake
In addition there will be an earthquake from natural phenomena, but also a phenomenon that is caused by the human condition, some balance of crust of the Earth and to change to stimulate symptoms.an earthquake may be caused by the volcanic explosion or bomb trial mining nuclear bombs underground.
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