English version

the Richter scale

From Longman Dictionary of Contemporary Englishthe Richter scalethe Richter scalea system of numbers used for measuring how powerful an earthquake is a severe earthquake measuring 7.2 on the Richter scale Richter scale
Examples from the Corpus
measuring ... on the Richter scaleAccording to official figures, the earthquake, measuring 7.6 on the Richter scale, left more than 20,000 homeless.
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