An example of the Richter Scale Richter Scale From Elementary Seismology (1958) by Charles F. Richter The Moment Magnitude Scale is now used. The Moment Magnitude Scale Ray Petelin ...

Did you feel that? Impact of Richter Scale inventor and Ohio native Charles Richter still being felt on 125th birthday in 2025.

Earthquake strength is registered on the moment magnitude scale, which measures how much energy was released when the rocks along a fault moved during the quake.