You are a seismologist and are driving out to a location where a fault has recently shifted.When you arrive at the location, you see that the road you are driving on was constructed across the fault line.Because of slippage along the fault, the road ahead has been shifted to the left by 20 feet.What kind of fault is present?
A)Left-lateral strike-slip
B)Right-lateral strike-slip
C)Thrust
D)Normal

Question

Quizplus · Accepted Answer

The fact that the road has shifted to the left indicates horizontal motion, meaning that it is a strike-slip fault. The direction of the shift to the left indicates a left-lateral motion, which narrows down the options to a left-lateral strike-slip fault.

You Are a Seismologist and Are Driving Out to a Location