> Like the Richter magnitude scale Obsolete? The Richter scale is historically important, but in modern usage has been replaced by moment magnitude [0]. As ot

> Like the Richter magnitude scale Obsolete? The Richter scale is historically important, but in modern usage has been replaced by moment magnitude [0]. As others have pointed out, in any case this subjective scale has more in common with the Mercalli intensity scale [1]. [0] http://en.wikipedia.org/wiki/Moment_magnitude_scale http://en.wikipedia.org/wiki/Moment_magnitude_scale [1] http://en.wikipedia.org/wiki/Mercalli_intensity_scale http://en.wikipedia.org/wiki/Mercalli_intensity_scale