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On the Richter Scale, the magnitude R of an earthquake of intensity I is given by the equation in the image, where I0 = 1 is the minimum intensity used for comparison. (The intensity of an earthquake is a measure of its wave energy). Find the intensity per unit of area I for the Anchorage Earthquake of 1989, R = 9.2.

On the Richter Scale the magnitude R of an earthquake of intensity I is given by the equation in the image where I0 1 is the minimum intensity used for comparis class=

Respuesta :

we have the formula

[tex]R=\log _{10}\frac{I}{I_0}[/tex]

we have

R=9.2

I0=1

substitute in the given equation

[tex]\begin{gathered} 9.2=\log _{10}\frac{I}{1} \\ 9.2=\log _{10}I \\ I=10^{(9.2)} \\ \end{gathered}[/tex]

I=1,584,893,192.46

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