Down graded to 6.9
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Which is about 15 times larger than the 6.4 if I remember the scale properly.
Down graded to 6.9
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Which is about 15 times larger than the 6.4 if I remember the scale properly
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The Richter Scale is logarithmic, meaning it goes up by levels of ten, so a magnitude 10 earthquake is 10 times larger than a magnitude 9.