Question

for what purpose is Richter scale used ?
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Answer 1

Answer:

Richter scale. The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the size of earthquakes. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs.

Answer 2

To compare the size of earthquakes .