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    Exponential and Loarithmic Functions : Earthquake Intensity

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    Find the intensity I of an earthquake measuring R on the Richter scale (let Io=1).

    (a) Chile in 1906, R=8.6
    (b) Los Angeles in 1971, R=6.7

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    We have:


    Because I0=1, we can say ...

    Solution Summary

    Earthquake intensity is calculated using a logarithmic function. The Richter scale is analyzed.