strain seismograph

strain seismograph

[′strān ′sīz·mə‚graf]
(engineering)
A seismograph that detects secular strains related to tectonic processes and tidal yielding of the solid earth; also detects strains associated with propagating seismic waves.
References in periodicals archive ?
N., Benioff H., Ewing M., 1961, Long period surface waves from the Chilean earthquake of May 22, 1960, recorded on linear strain seismographs, J.