['saizmәl]
adj.
地震的, 有关地震的

[ adj ]
subject to or caused by an earthquake or earth vibration
<adj.all>

Seismic \Seis"mic\, Seismal \Seis"mal\, a. [Gr. seismo`s an
earthquake, from sei`ein to shake.]
Of or pertaining to an earthquake; caused by an earthquake.

{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.