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In a strike-slip or transcurrent fault the movement is

  • A.horizontal, along the strike of the fault
  • B.vertical, down the dip of the fault
  • C.oblique, with equal components
  • D.purely rotational about a point

Answer: A

Correct answer: horizontal, along the strike of the fault

In a strike-slip fault the blocks slide past each other horizontally, along the strike, with little or no vertical component, so the crust is neither shortened nor extended but sheared. Such faults are usually steep to vertical, and they are described as dextral or sinistral according to which way the far block appears to move to an observer facing it.

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