Answer: An earthquake is caused by the sudden movement of the earth.
The origin point of an earthquake within the earth's surface is known as the focus or hypocentre. On the other hand, the point directly above a hypocenter or focus on the earth's surface is called Epicentre. It is a point where maximum damage takes place. The magnitude or strength of an earthquake is measured by an instrumental scale known as the Richter magnitude scale. An earthquake produces different types of seismic waves like Longitudinal P-waves, Transverse S-waves, and Surface waves. The effects of earthquakes are landslides, floods, soil liquefaction, shaking and ground rupture, tsunami, etc.
Summary:
Which is caused by the Sudden Movement of the Earth?
An earthquake is caused by the sudden movement of the earth. The seismic waves like Longitudinal P-waves, Transverse S-waves, and Surface waves propagate in all directions during an earthquake.
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