Earthquake Seismometer Equations Calculator

magnitude calculations are based on a logarithmic scale, so a ten-fold drop in amplitude decreases the magnitude by 1.if an amplitude of 20 millimetres as measured on a seismic

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Earthquake Energy Calculator

Since the SRC started monitoring earthquakes in 1976, we have used a standard Richter-method formula to calculate earthquake magnitudes, using a function to replicate the look-up table traditionally used to compensate
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Richter magnitude scale

Richter scale magnitude is calculated from the maximum amplitude ‘A’ of the seismometer trace as shown in the figure below Figure 1

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Richter scale magnitude calculator

Change Equation. Select to solve for a different unknown. Dr. Charles Richter and Wood-Anderson seismograph method. earthquake magnitude. amplitude. distance correction factor. Richter