Question

The plot of the movement of the Earth on a seismograph is called_____​

Answer 1

They use what's called a seismograph, also called a seismometer, which is an instrument that measures and records seismic waves that move through the earth as the result of an earthquake

Answer 2

Seismograph is placed on the Earth's surface. When the earthquake occurs, because of the semic movements the the earth's surface vibrates and the seismograph works.