describe the instrument used to record seismic waves
A seismograph, or seismometer, is an instrument used to detect and record seismic waves.Seismic waves are propagating vibrations that carry energy from the source of an earthquake outward in all directions. They travel through the interior of the Earth and can be measured with sensitive detectors called seismographs. seismograph, or seismometer, is an instrument used to detect and record seismic waves.