Measured on the Richter scale, the magnitude of an earthquake of intensity I is defined as R log(I I 0 ), where I 0 is a minimum level for comparison What is the Richter scale reading for the 1964 Alaska earthquake for which I 1,600,000,000 I 0 ...

The Richter scale reading R for the 1964 Alaska ea ...

Measured on the Richter scale, the magnitude of an earthquake of intensity I is defined as R

Question:

Measured on the Richter scale, the magnitude of an earthquake of intensity I is defined as R = log(I/I₀), where I₀ is a minimum level for comparison. What is the Richter scale reading for the 1964 Alaska earthquake for which I = 1,600,000,000 I₀?

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