Let us imagine what goes on in the outer crust with the help of this diagram. Earthquakes develop in the crust of the earth. The crust involves the earth's surface, submarine levels, down to the ocean floors. The inner part of the earth contains massive energy. read more
Scientists can’t tell that an earthquake is a foreshock until the larger earthquake happens. The largest, main earthquake is called the mainshock. Mainshocks always have aftershocks that follow. read more