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there is 1 currently used but past years they have used two diffrent scales the Mercalli scale (Early in the twentieth century) the The Richter (1930s-1980s) and now currently The Moment Magnitude Scale some news channel refer the moment magnitude scale as the Richter scale but they are two diffrent things hopes this helps

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13y ago

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What are the three scales that are used for measuring earthquakes?

The magnitude, Richter scale, and seismograph.


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The main scales for measuring earthquakes are the Richter scale, the moment magnitude scale, and the Mercalli intensity scale. The Richter scale measures the amplitude of seismic waves, the moment magnitude scale considers the total energy released by an earthquake, and the Mercalli intensity scale measures the intensity of shaking and its effects on people and structures.


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