- a small earthquake or tremor that follows a major earthquake.
- the effect, result, or repercussion of an event; aftermath; consequence: The aftershock of the bankruptcy was felt throughout the financial community.
Origin of aftershock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for aftershock
Kimye Heads Back to Vogue: Brace yourselves for the aftershock.Anna Wintour Hosts DNC Fundraiser; Kimye Heads Back to 'Vogue'
The Fashion Beast Team
May 20, 2014
One aftershock was significant enough—6.6 magnitude—that some seismologists were describing it as a secondary, full-blown quake.Japan's First Dark Night After the Earthquake and Tsunami
March 11, 2011
- one of a series of minor tremors occurring after the main shock of an earthquakeCompare foreshock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for aftershock
Online Etymology Dictionary, © 2010 Douglas Harper
- A less powerful earthquake that follows a more forceful one. Aftershocks usually originate at or near the focus of the main earthquakes they follow and can continue for days or months. They usually decrease in magnitude and frequency with time.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.