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.

CEEOL - Article Detail

Charles Richter - Linda Hall Library

Charles Francis Richter Biography - Seismologist and mathematician

Pasadena History: Caltech professor gave earthquakes a number – Pasadena Star News

Charles F. Richter Worksheets

Charles Richter and the Story of the Richter Scale by Susan Zannos

What Ever Happened to the Richter Scale?, Earthquakes

Charles Richter - Linda Hall Library

Richter's Scale Princeton University Press

Charles F. Richter Earth 520: Plate Tectonics and People: Foundations of Solid Earth Science

Richter Scale & Magnitude

National Richter Scale Day - Awareness Days Events Calendar 2024

Charles F. Richter

NATIONAL RICHTER SCALE DAY - April 26 - National Day Calendar