What does a Seismograph record?

Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.

What does a Seismograph record? Answer: Earthquake

A seismograph records the ground motion caused by seismic waves from earthquakes, explosions, and other Earth-shaking phenomena. The record, called a seismogram, shows the oscillations of the ground and is used by scientists to study the event's location, depth, and intensity.