[ sahyz-mol-uh-jee, sahys- ]

  1. the science or study of earthquakes and their phenomena.

Origin of seismology

First recorded in 1855–60; seismo- + -logy

Other words from seismology

  • seis·mo·log·ic [sahyz-muh-loj-ik, sahys-], /ˌsaɪz məˈlɒdʒ ɪk, ˌsaɪs-/, seis·mo·log·i·cal, adjective
  • seis·mo·log·i·cal·ly, adverb
  • seis·mol·o·gist, noun

Words Nearby seismology Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use seismology in a sentence

British Dictionary definitions for seismology


/ (saɪzˈmɒlədʒɪ) /

  1. the branch of geology concerned with the study of earthquakes and seismic waves

Derived forms of seismology

  • seismologic (ˌsaɪzməˈlɒdʒɪk) or seismological, adjective
  • seismologically, adverb
  • seismologist, noun

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

Scientific definitions for seismology


[ sīz-mŏlə-jē ]

  1. The scientific study of earthquakes and of the internal structure of the Earth. It includes the study of the origin, geographic distribution, effects, and possible prediction of earthquakes.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for seismology


[ (seyez-mol-uh-jee) ]

The branch of science devoted to the study of seismic waves and the information they provide about the structure of the interior of the Earth.

Notes for seismology

Our knowledge of the properties of the crust, the mantle, and the core comes from this field.

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.