Question

Name the instrument used for measuring strength of an earthquake.

Answer 1

It is called the seismograph or seismometer.

Answer 2

The power of earthquake can be measured by a seismometer. The seismometer can detect the vibrations which are caused by the earthquake.

It can plot the vibrations on the seismograph. The strength or magnitude of the earthquake can be calculated using Richter scale. It is numbered from 0 to 10.