Meaning
"a shaking, a shock," from seio, "to move to and fro, to shake," chiefly with the idea of concussion (Eng., "seismic," "seismology," "seismometry"), is used (a) of a "tempest" in the sea, Mat 8:24; (b) of "earthquakes," Mat 24:7, Mat 27:54, Mat 28:2, Mar 13:8, Luk 21:11, Act 16:26, Rev 6:12, Rev 8:5, Rev 11:13 (twice), Rev 11:19, Rev 16:18 (twice). See TEMPEST.