Multiple choice

The instrument used for recording earthquake waves is

  1. barograph

  2. hydrograph

  3. pantograph

  4. seismograph

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A seismograph is the scientific instrument designed specifically to detect and record seismic waves produced by earthquakes. It consists of a sensor that detects ground motion and a recording system that produces a seismogram, showing the timing and intensity of the seismic waves.