• (a.) Of or pertaining to a seismograph; indicated by a seismograph.
Seis`mo·graph'ic adjective Of or pertaining to a seismograph; indicated by a seismograph. 
seismograph, seismographic 1. An instrument for recording vibrations of the Earth, particularly of earthquakes or artificially induced energy for the exploration of underlying rock formations and the interior of the Earth. 2. Any of various devices for measuring and recording the vibrations and intensities of earthquakes. 3. An instrument for reco...seismography, seismographic 1. The descriptive science of earthquakes; also, the use of the seismograph in recording disturbances on the crust of the earth. 2. The scientific measuring and recording of the shock and vibrations of earthquakes; seismology.