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The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the sizes of earthquakes.

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April 26, 1992
M 6.5, 6.7, California – 07:41:39 This earthquake caused additional damage in the Ferndale, Fortuna and Petrolia areas. A fire caused by a broken gas main… Read More

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