The Richter scale is used to measure the strength, or magnitude, of an earthquake. About 500,000 earthquakes occur every year. Learn more in Earthquakes, one of the titles in the Geology series.
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The Richter scale is used to measure the strength, or magnitude, of an earthquake. About 500,000 earthquakes occur every year. Learn more in Earthquakes, one of the titles in the Geology series.
Read Less
