Definition of aftershock in English:

aftershock

Syllabification: af·ter·shock
Pronunciation: /ˈaftərˌSHäk
 
/

noun

A smaller earthquake following the main shock of a large earthquake.
More example sentences
  • These maps graphically illustrate the change in earthquake probability during aftershock and possible foreshock sequences.
  • Eventually these gaps are filled by large earthquakes and their aftershocks.
  • He was referring to the aftershocks that invariably follow a large temblor, or main shock.

Definition of aftershock in: