An earthquake occurs when a sudden movement of rock blocks occurs under the surface of the earth, which results in the release of large amounts of energy that are transmitted in the form of shock waves that cause vibration, and this movement is one of the internal forces of the planet that contributes continuously to changing the shape of its surface.
Earthquakes occurred for more than 4 billion years, and there are thousands of earthquakes that occur every day, and although most of them represent small vibrations. Some of them are strong enough to destroy cities, and cause the death of thousands of human lives.
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