Poll Results
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The ‘Moment Magnitude Scale’ (Mw) is preferred over the Richter Scale for large earthquakes because:
The Richter scale “saturates” (fails to distinguish) between very large earthquakes (above 7.0) because it only measures peak wave amplitude. The Moment Magnitude Scale (Mw) measures the total energy by considering the fault area and the amount of slip, providing an accurate reading for even the largest “megaquakes.” ANSWER: (B) It does not ‘saturate’ for very high-magnitude events.
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