Comment on M4.6 Earthquake – 2 km ESE of Berkeley, CAparentComments−jandrewrogers11moa magnitude 9, which is 100 times more powerful than a mag 7That is actually 1,000x more powerful. For historical reasons, the magnitude scale is 10^1.5 between whole numbers.
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That is actually 1,000x more powerful. For historical reasons, the magnitude scale is 10^1.5 between whole numbers.