Earthquakes are measured in

A. Beaufort scale

B. decibel

C. newton

D. Richter scale

Correct Answer is :

D. Richter scale

Explanation

Earthquakes are measured in 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.