The unit is a horizontal beam seismograph that is designed to continuously record vertical changes in ground movement. The seismogram below is refreshed once every five minutes. The seismogram above ...

This seismogram shows a 24-hour record of how much the ground moves at Weston Observatory in Weston, Massachusetts. Viewing other seismic stations will show you how much the ground moves in those ...

At the heart of 1D seismic are well logs and the creation of a synthetic seismogram (or simply synthetic) for seismic event identification and depth conversion [146]. If a vertical seismic profile is ...