Auxiliary Nurse Midwife Exam 2017 Solved Paper

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 ofearthquakes. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs.Adjustments are included for the variation in the distance between the various seismographs and the epicenter of the earthquakes. On the Richter Scale, magnitude is expressed in whole numbers and decimal fractions