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Message Subject Japanese seismologist warns of possible Magnitude 10 earthquake along pacific rim trench
Poster Handle Mr. Predictor
Post Content
An earthquake that measures 5.0 on the Richter scale has a shaking amplitude 10 times larger than one that measures 4.0, and corresponds to an energy release of √1000 ≈ 31.6 times greater.

OK so 31.6 times enegy, but 10 times larger, a bit comfusing. Can any1 clarify?
 Quoting: Anonymous Coward 10961309

the scale is like the db scale, it's exponential
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