moment magnitude scale

Noun
  1. A logarithmic scale of 1 to 10 (a successor to the Richter scale) that enables seismologists to compare the energy released by different earthquakes on the basis of the area of the geological fault that ruptured in the quake (synset 113874280)
    referred to in: geology - a science that deals with the history of the earth as recorded in rocks
    is a type of: graduated table, ordered series, scale, scale of measurement - an ordered reference standard

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