Earthquake is the ............(1)............ breaking and displacement of substantial portions of the earth's outer rocky crust. During an earthquake, rock disturbances can cause rivers to change their flow. Landslides ...........(2)........... by earthquakes can cause significant destruction and loss of life. Tsunamis are a ............(3)........... of damaging waves caused by large earthquakes that occur under the ocean. Earthquakes rarely directly kill anyone. Many ............(4)........... and injuries are caused by falling debris and the fall of structures. The ............(5)........... of an earthquake relies on how much and how far rock cracks and shifts.