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How much more powerful is a 9.0 earthquake and a 7.0 earthquake?
Wiki User
∙ 13y ago
a. Shaking amplitude => 10^9/10^7 = 100 times greater.
b. Energy release => (10^9/10^7)^(3/2) = 1,000 times greater.
Wiki User
∙ 13y ago
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