A record written by a seismograph in response to ground motions produced by an earthquake, explosion, or other ground-motion sources
A visual record produced by a seismograph and showing the arrival times and magnitudes of various seismic waves
or seismic record trace, or graph, of an earthquake's activity over time, recorded by a seismograph It is used to determine the magnitude and duration of an earthquake
A record obtained using a seismograph of the vibrations affecting the surface in a given spot following a seism
The visual record produced by a seismograph It is used to determine the location and magnitude of the earthquake
The record of the instantaneous behavior of ground motion at a particular site As a graph, you see the amplitude and sign of the ground motion on the y-axis and the time on the x-axis