Answer:
The answer is option C.
Step-by-step explanation:
The scale was produced by two researchers named Charles Richter and Beno Gutenberg in 1935. Richter scale is utilized to quantify quake greatness; this is finished by estimating the logar. The Richter size scale is a size of numbers used to tell the extent of tremors. Charles Richter built up the Richter Scale in 1935. His scale depended on the seismogram estimated by a specific kind of seismometer at a separation of 100 kilometers.