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31 March 2010

Richter scale




The invention:

A scale for measuring the strength of earthquakes
based on their seismograph recordings.

The people behind the invention:

Charles F. Richter (1900-1985), an American seismologist
Beno Gutenberg (1889-1960), a German American seismologist
Kiyoo Wadati (1902- ), a pioneering Japanese seismologist
Giuseppe Mercalli (1850-1914), an Italian physicist,volcanologist, and meteorologist