aftershock

/AE1 F T ER0 SH AA0 K/
noun
  1. 1

    An earthquake that follows in the same vicinity as another, usually larger, earthquake (the "mainshock").

  2. 2

    By extension, any result or consequence following a major event.

  3. 3

    Emotional and physical distress following a traumatic event.

Antonyms

Source: https://en.wiktionary.org/wiki/aftershock