Earthquake. Natural disaster, earthquake is caused by the vibration of the ground. Due to the release of energy in order to reduce the stress that accumulates in the Earth's crust to balance. At present scientists still cannot predict the time. The location and the severity of the earthquake will happen in the future. Therefore, it should be education. Learn to understand the process of a real earthquake, so as to reduce the damage. Causes of earthquakes Earthquakes are caused by 2 reasons why the first reason is due to the large man's acts, including the atomic bomb trial. A water catchment dam and blast from the mining. The second is the main cause of earthquakes as natural occurrences due to the movement of plate tectonics. This is the theory of mechanism of earthquakes in the current accepted theory is that 2. The theory on expansion of the crust By an earthquake caused the crust to khotkhong To raise, for example, when a sudden and missing out, so let the energy released in the earthquake waves. The theory on the night of the object by the earthquake came from the movement of the fault, that is, when a fault occurs in one movement point objects are missing from the image is very bad. With all the tremendous energy released in the form of waves, earthquakes, and then it will restore the image back to original.
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