I repeatedly have to correct this belief. In a sense, magnitude involves steps of 10 because every increase of one magnitude represents a tenfold amplification of the ground motion. But there is no ‘scale of 10? in the sense of an upper limit.
Charles Francis Richter
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There is another common misapprehension that the magnitude scale is itself some kind of instrument or apparatus. Visitors will frequently ask to ‘see the scale.'
- Charles Francis Richter -
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For example, some stars put out large amounts of energy in the infrared part of the spectrum, so that this can produce a different relative magnitude rating than using light energy from the middle of the spectrum.
- Charles Francis Richter