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USGS CMG InfoBank: Charles Richter

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Comment: 09:35 - 10:35 (01:00)
Source: Annenberg/CPB Resources - Earth Revealed - 9. Earthquakes
Keywords: "Charles Richter", "Richter Scale", earthquake, "ground motion", energy, epicenter, magnitude

Our transcription: In 1935 California Geophysicist, Charles Richter, combined the measure of ground motion with the distance from the earthquake's epicenter to yield a value representing the total amount of energy released during the earthquake.
He called this the "magnitude of the quake."

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