An earthquake also known as a quake, tremor or temblor is the result of a sudden release of energy in the Earth39;s crust that creates seismic waves. At the Earth39;s surface, earthquakes manifest themselves by shaking and sometimes displacement of the ground. when the epicentre of a large earthquake is located offshore, the seabed may be displaced sufficiently to cause a tsunami. Earthquakes can also trigger landslides, and occasionally volcanic activity. Get more info inside this app for free today