an earthquake is a natural phenomenon caused by the sudden movement of the crust of the earth is often the result of an earthquake in the area of the edge of the crust of the earth is a disc of an earthquake along the world's moving.the crust of the earth is under the heat energy is driven by core and the world, the earth's crust floating on the crust of the earth at any time, each piece of the movement is in the direction different points along with internal power.or separate from each other. If the area of the edge of the pieces of crust of the earth is not through any or in close proximity to any country, it will have a high risk for earthquakes, such as Japan, Philippines, Indonesia, New Zealand, etc.has been sent to the crust of the earth through the floor of the continental shelf in the area of the rock crack under the earth or called "the slide" when the horizontal crack together. It is very strong, it will make the move with the movement and then suddenly there was a sample
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