GEOLOGY

Detailed explanation-1: -Before an earthquake, the buildup of stress in the rocks on either side of a fault results in gradual deformation. Eventually, this deformation exceeds the frictional force holding the rocks together and sudden slip occurs along the fault.

Detailed explanation-2: -Elastic rebound is what happens to the crustal material on either side of a fault during an earthquake. The idea is that a fault is stuck until the strain accumulated in the rock on either side of the fault has overcome the friction making it stick.

Detailed explanation-3: -When the accumulated strain is great enough to overcome the strength of the rocks, the result is a sudden break, or a springing back to the original shape as much as possible, a jolt which is felt on the surface as an earthquake.

Detailed explanation-4: -Which of the following best describes “elastic rebound” theory of earthquakes? As an earthquake occurs, the elastically deformed rocks along the fault spring back to their original shape as much as possible.