Question

3. troops in his state is known as Subs An earthquake is recorded by an instrument called.
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Answer 1

Answer:

seismograph

Explanation:

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.