CBSE Class 8 Answered
What is an earthquake ? How is the magnitude of an earthquake expressed ?
Asked by rekhabalasara2902 | 17 Mar, 2021, 01:14: PM
Expert Answer
An earthquakeis a natural phenomenon which cannot be predicted.It is a sudden shaking or trembling of the Earth which lasts for a short time.
The instrument which measures the severity of an earthquake is called aseismograph. The severity of an earthquake is measured on the Richter scale.
Richter scale is used for measuring the intensity of an earthquake. It measures the intensity on the scale of 1 to 9. While an earthquake measuring 1 on the Richter scale is hardly felt, it damages life and property if it is measured on a scale of 7 or more.
Answered by Shiwani Sawant | 18 Mar, 2021, 12:36: PM
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