What's the difference between i.e. and e.g.?
1859, from seismology + -ist.
1852, from seismo- + -logy. Related: Seismological (1850).
The branch of science devoted to the study of seismic waves and the information they provide about the structure of the interior of the Earth.
Note: Our knowledge of the properties of the crust, the mantle, and the core comes from this field.