seismogram

from WordNet (r) 3.0 (2006)

seismogram
    n 1: the graphical record of an earth tremor made by using a
         seismograph

from The Collaborative International Dictionary of English v.0.48

Seismogram \Seis"mo*gram\, n. [Gr. ? earthquake + -gram.]
   (Physics)
   The trace or record of an earth tremor, made by means of a
   seismograph.
   [Webster 1913 Suppl.]