Charles Richter, Inventor of the Richter Magnitude Scale

The Richter Magnitude Scale was invented in 1935 by Charles Richter of the California Institute of Technology as a mathematical device to compare the sizes of earthquakes.

Earthquake Scales - Mercalli scale vs Richter scale

Recent Temblors Recall Richter and His Local Resting Place – Pasadena Now

5 things to know about Dr. Richter and his scale

File:How-the-Richter-Magnitude-Scale-is-determined.jpg - Wikipedia

National Richter Scale Day in USA in 2024

The Richter Scale Activity - The Homeschool Scientist

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Are there any earthquake scales other than Richter scale? What is it? - Quora

Richter – an American seismologist and physicist, inventor of the Richter magnitude scale – Ganesh ias Academy

The Richter Scale and Logarithms by Jen Blake

Earthquake Magnitude Scale Inventor