If one introduces the concept of energy of an earthquake then that is a theoretically derived quantity.
Charles Francis Richter
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If the assumptions used in calculating energy are changed, then this seriously affects the final result, even though the same body of data might be used.
- Charles Francis Richter -
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What emerged, of course, was that the magnitude scale presupposed that all earthquakes were alike except for a constant scaling factor. And this proved to be closer to the truth than we expected.
- Charles Francis Richter -
