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65. Earthquake Intensity The magnitude of an earthquake, measured on the Richter scale, is log10 To , where I is the amplitude registered on a

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65. Earthquake Intensity The magnitude of an earthquake, measured on the Richter scale, is log10 To , where I is the amplitude registered on a seismograph 100 km from the epicenter of the earthquake, and lo is the amplitude of an earthquake of a certain (small) size. Find the Richter scale ratings for earthquakes having the following amplitudes. a. 100010 b. 1,000,00010 C. 100,000,00010

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