In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. 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.