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The moment magnitude is calculated using all of the following factors EXCEPT for the

A. surface area of a fault.                  

B. magnitude of past earthquakes in the area. C. average displacement along a fault. D. rigidity of rock in the area.

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B, Magnitude of past earthquakes in the area

Answer;

B. magnitude of past earthquakes in the area.

Explanation;

  • Moment magnitude scale is the measurement of earthquakes that is mostly used by scientists today.
  • Moment magnitude scales measures the size of the earthquake at its source. Moment magnitude measures the size of events such as earthquakes in terms of the amount of energy released.  
  • Moment magnitude relates to the amount of rock movement and the area of the fault or fracture surface.

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