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Paragraph on “The Earthquakes and its measurement ” complete paragraph for Class 9, Class 10, Class 11 and Class 12
The Earthquakes and its measurement
The tremors produced by an earthquake can be measured by using sophisticated instruments called ‘ Seismographs’ it shows earth tremors as wriggles in hire traced on a turning drum. A tremor vibrates the weight that holds the tracer. The seismograph then gives a number with a decimal point to rate the earthquake. The intensity of the earthquake is measured on the Richter Scale, an established scale of 0-10. No earthquake has ever been registered higher than 8.9. an earthquake of such an intensity would leave only a few survivors!