seis·​mo·​gram ˈsīz-mə-ˌgram How to pronounce seismogram (audio)
: the record of an earth tremor by a seismograph

Examples of seismogram in a Sentence

Recent Examples on the Web One of my first jobs was working as a seismogram analyst in Wellington, New Zealand. Erik Klemetti, Discover Magazine, 26 July 2011 And from 1982 to this moment, PCMag has witnessed and chronicled so many rises and falls that our oeuvre resembles a cultural seismogram. PCMAG, 27 July 2022 The difference between any two whole magnitude numbers — say a 4 and a 5 — is a tenfold increase in amplitude as measured on a seismogram, according to the USGS. Ben Brasch, ajc, 18 June 2022 The characteristic cultural fingerprints of some cities are notable by their absence on seismograms. Robin George Andrews, New York Times, 8 Apr. 2020 Her wavelets have helped geologists analyze seismograms and neuroscientists read MRI images of brain activity. Elizabeth Winkler, WSJ, 24 Jan. 2020 By placing a pen on the weight and paper on the frame scientists can see the relative motion of the weight and frame through the markings, which create a seismogram. Ben Finio, Scientific American, 22 Aug. 2019 Originally, the definition of magnitude related to seismograms, in which machines used an ink stylus to record rapid motions on a rolling drum of paper that would measure shaking. Rong-Gong Lin Ii,, 4 July 2019 Magnitude was about how big the waves were on a seismogram at a particular distance from the epicenter. Rong-Gong Lin Ii,, 4 July 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seismogram.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

circa 1891, in the meaning defined above

Time Traveler
The first known use of seismogram was circa 1891

Dictionary Entries Near seismogram

Cite this Entry

“Seismogram.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

Kids Definition


seis·​mo·​gram ˈsīz-mə-ˌgram How to pronounce seismogram (audio)
: the record of an earth tremor as made by a seismograph

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