Seismogram
Videos
A seismogram is a graph output by a seismograph. It is a record of the ground motion at a measuring station as a function of time. Seismograms typically record motions in three cartesian axes, with th
A seismogram being recorded by a seismograph at Weston Observatory in Massachusetts
A detail of the seismogram
A container that stores a Develocorder film reel
A Develocorder film reel
Vertical seismic profile
Videos
In geophysics, vertical seismic profile is a technique of seismic measurements used for correlation with surface seismic data. The defining characteristic of a VSP is that either the energy source, or
Seismogram
…in the early digital recording days are not recoverable. Today, many other forms are used to digitally record the seismograms into digital medias. Vertical seismic profile First break picking…
Layout of a Vertical Seismic Profile Station