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4. An earthquake of magnitude 8.3 on the Richter scale killed 200,000 in Tokyo in 1923. In 1976, an earthquake of magnitude 7.5 killed 23,000

4. An earthquake of magnitude 8.3 on the Richter scale killed 200,000 in Tokyo in 1923. In 1976, an earthquake of magnitude 7.5 killed 23,000 in Guatemala. How many more times intense was the earthquake in Tokyo? M = log [2]

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