(Entry 1 of 2) : simultaneously affected by the same phase of any particular seismic shock : relating to or being such simultaneous affection.

What is coseismal lines?

coseismal in American English

1. of or designating points, or lines connecting such points, simultaneously affected by an earthquake shock. : also coˈseismic (koʊˈsaɪzmɪk )

What does Coseismic mean?

Main definition. Coseismic. An event or process detected by geological/geophysical tools and analyses that is directly associated with earthquake activity.