The Richter Scale is set up so that for every _______ increase in the amplitude of the recorded seismic wave,the Richter magnitude increases one number,e.g. ,from 4 to 5.
A)two-fold
B)four-fold
C)eight-fold
D)ten-fold
E)hundred-fold

Question

Quizplus · Accepted Answer

The Richter Scale is logarithmic, meaning that each increase in one number represents a ten-fold increase in seismic wave amplitude. Therefore, for every ten-fold increase in amplitude, the Richter magnitude increases by one number. Option D) is the only choice that represents a ten-fold increase, making it the correct choice.

The Richter Scale Is Set Up So That for Every