coseismicadj.

/kəʊˈsʌɪzmɪk/Etymology: < co- prefix + seismic adj.
the world > the earth > structure of the earth > formation of features > convulsion > [adjective] > earthquake > coseismal
1886 J. Milne 10 These points will lie in circles called ‘isoseismic’ or ‘coseismic’ circles.
This entry has not yet been fully updated (first published 1893; most recently modified version published online September 2021).