Seismic
Seismic , adjective
[Greek seismo`s an earthquake, from sei`ein to shake.]
Of or pertaining to an earthquake; caused by an earthquake.
Collocations (1)
Seismic vertical , the point upon the earth's surface vertically over the center of effort or focal point whence the earthquake's impulse proceeds, or the vertical line connecting these two points.
Also: Seismal