The Earthquake

An earthquake is a sudden, violent shaking of the earth is surface. At the time of earthquake, the trembling is sometimes mild but something very violent. The inside of the earth is a very hot buring mass of liquid matter. Because of some reason the heated matter becames cool in some part. then it contracts. The upper down. Then this produces cracks on the surface of the earth. The water of the ocean flows down through these cracks and comes in touch with the hot liquid and steam is produced. It wants to rush out and the earth is violently shaken. If the earthquake is mild, it does not do much harm. But if it is violent loss effect is dangerous. It causes a great loss of life and property. Many brick-built houses fall down when the earth tremnles for two to three minutes. Something the water of ponds and rivers swells all on a sudden and sometimes the water of a river or a part of the ocean is dried  up, and land appears there.