_________ is the instrument used to measure the magnitude of earthquakes.

Seismograph

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Vibration pickup

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Epicenter detector

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Richter scale

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Solution

The correct option is A Seismograph
The magnitude of an earthquake is measured by an instrument called seismograph. The scale of measure used to calculate the magnitude of an earthquake is called the Richter Scale.

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Similar questions

Which of the following statements is/are correct regarding various scales used for measuring the earthquake?

1. Richter scale measures magnitude of earthquake whereas Mercalli scale is used to measure the intensity of earthquake.

2. Magnitude of earthquake depends on the destruction caused by earthquake.

3. Richter scale is a logarithmic scale.

Choose among the options given below:

State whether the following statements are true or false :

(a) Like charges attract each other.

(b) A charged glass rod attracts a charged plastic straw.

(d) Earthquakes can be predicted in advance.

(e) An earthquakes of magnitude 2 on Richter Scale is ten times as strong as an earthquake of magnitude 1 on the same Scale.

(f) The plates of earth's crust are continuously moving.

(g) An earthquake is measured and recorded by using an instrument called electrocardiograph.

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