“The scale is a logarithmic one; a magnitude 7 earthquake is 10 times larger than a 6, 100 times larger than a 5, and 1,000 times larger than a 4.”

About Charles Francis Richter

Scientist • American

Charles Francis Richter was an American seismologist and physicist. He is most famous as the creator of the Richter magnitude scale, which quantified the size of earthquakes. Developed in collaboration with Beno...