alleryEach unit rise in magnitude gives how much larger ground shaking amplitude?
AA two-fold rise
BA ten-fold rise
CA 32-fold rise
DA 100-fold rise
Answer & Solution
Correct answer: B. A ten-fold rise
1. Magnitude scales are logarithmic.
2. Each unit means a ten-fold difference in the amplitude of shaking.
3. The 32-fold figure applies to energy, not amplitude.
_Source: Wikipedia, Earthquake, Intensity and magnitude_
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