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- DictionarySeis·mo·gram/ˈsīzməˌɡram/
noun
- 1. a record produced by a seismograph.
noun
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 (x, y, and z), with the z axis perpendicular to the Earth's surface and the x- and y- axes parallel to the surface. The energy measured in a seismogram may result from an earthquake or from some other source,... Wikipedia