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SlideshowReport

Determining Richter Scale Magnitude

Description
Determining the Size of Earthquakes

Magnitude
Often measured using the Richter scale
Based on the amplitude of the largest seismic wave
Each unit of Richter magnitude equates to roughly a 32-fold energy increase
Does not estimate adequately the size of very large earthquakes
Concept introduced by Charles Richter in 1935

Magnitude
Moment magnitude scale
Measures very large earthquakes
Derived from the amount of displacement that occurs along a fault zone
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