seismography

from WordNet (r) 3.0 (2006)

seismography
    n 1: the measurement of tremors and shocks and undulatory
         movements of earthquakes

from The Collaborative International Dictionary of English v.0.48

Seismography \Seis*mog"ra*phy\, n.
   1. A writing about, or a description of, earthquakes.
      [1913 Webster]

   2. The art of registering the shocks and undulatory movements
      of earthquakes.
      [1913 Webster]