Definition of aftershock in English:
A smaller earthquake following the main shock of a large earthquake.
- 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:
- British & World English dictionary