coseismal(redirected from coseismally)
Also found in: Thesaurus.
co·seis·mal(kō-sīz′məl, -sīs′-) also co·seis·mic (-mĭk)
Relating to or designating a line connecting the points on a map that indicate the places simultaneously affected by an earthquake shock.
A coseismal line.
1. (Geological Science) of or designating points at which earthquake waves are felt at the same time
2. (Geological Science) (of a line on a map) connecting such points
(Geological Science) such a line on a map