Richter Scale Day

Richter Scale Day celebrates the birth of the inventor of the Richter Scale. The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology.

The Richter Scale provides us with a way to assign a numeric value to the seismic energy released by the earth during an earthquake. For more information, see:

How Are Earthquake Magnitudes Measured? – Includes a table describing the magnitudes of earthquakes, their effects, and the estimated number of those earthquakes that occur each year.

The Richter Magnitude Scale – Abridged from The Severity of an Earthquake, a U. S. Geological Survey General Interest Publication.

Earthquakes for Kids – This USGS site features puzzles, games, animations, science fair project ideas, cool earthquake facts, an “Earthquake ABC” book, learning links, and activities related to earthquakes.

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