Question

what is seismograph? draw a labeled diagram of a seismograph

Answer 1

A typical seismograph contains 3 pendulums: one to record vertical movement and two to recordhorizontal movement. Seismographs evolved from seismoscopes, which can detect the direction of tremors or earthquakes but cannot determine the intensity or the pattern of the vibration.

Answer 2

The instrument used for detecting and recording seismic waves is called seismograph.
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