Question

2. How are the earthquakes measured?​

Answer 1

Answer:

it is measured by rither scale

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Answer 2

Answer:

A seismograph is the primary earthquake measuring instrument. The seismograph produces a digital graphic recording of the ground motion caused by the seismic waves. The digital recording is called a seismogram. A network of worldwide seismographs detects and measures the strength and duration of the earthquake's waves.