- a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- an earth vibration generated by an earthquake or explosion
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
Seismic waves travel through the Earth and can be detected far from their source.
Most of our knowledge of the Earth's interior comes from studying seismic waves.
The measurement of seismic waves is also important in detecting underground nuclear tests.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.