seis·​mom·​e·​ter | \ sīz-ˈmä-mə-tər How to pronounce seismometer (audio) , sīs- \

Definition of seismometer

: a seismograph measuring the actual movements of the ground (as on the earth or the moon)

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Other Words from seismometer

seismometric \ ˌsīz-​mə-​ˈme-​trik How to pronounce seismometric (audio) , ˌsīs-​ \ adjective

Examples of seismometer in a Sentence

Recent Examples on the Web If this portion of the Indian Ocean were to warm 1° C, T-waves from those earthquakes would take 5.4 seconds longer to reach this seismometer. Scott K. Johnson, Ars Technica, "Seismic sound waves crossing the deep ocean could be a new thermometer," 26 Sep. 2020 The facility’s surface seismometer is now almost the equal of a detector buried in a borehole more than 300 feet underground that reliably picks up small quakes and quarry blasts.. Alex Fox, Smithsonian Magazine, "With Many Countries Under Shelter-in-Place Orders, the World Shakes a Little Less," 6 Apr. 2020 In April 2019, InSight’s seismometer detected its first marsquake: a subtle rumble that hinted that, despite its decidedly non-Earth-like geology, Mars’ interior has its own terrestrial temper. Katherine J. Wu, Smithsonian Magazine, "InSight Lander’s First Big Batch of Data Reveals Mars’ Seismic Activity and Surprising Magnetism," 25 Feb. 2020 Another seismometer nearer the city center registered a 30 percent drop. Robin George Andrews, New York Times, "Coronavirus Turns Urban Life’s Roar to Whisper on World’s Seismographs," 8 Apr. 2020 As the earth moves, the weight remains in place, allowing the seismometer to measure the amount of movement relative to the weight. Anna Kuchment, Dallas News, "‘Bored’ seismologists find a new hobby: Tracking silence," 21 May 2020 The seismometers that geologists use to detect earthquakes also pick up the vibrations of human activity — vehicle traffic, construction equipment, heavy machinery and the like. Patrick J. Lyons, New York Times, "Coronavirus Briefing: What Happened Today," 9 Apr. 2020 Since the United Kingdom announced stricter social-distancing rules last month, telling residents not to leave their home except for essential reasons, the seismometer has registered a sharp decrease in the vibrations produced by human activity. Marina Koren, The Atlantic, "Four Measurable Ways the Coronavirus Is Changing the Planet," 2 Apr. 2020 The seismometer has been listening out for earthquakes on Mars. Ashley Strickland, CNN, "NASA's InSight mission tunes in to the strange sounds of Mars," 1 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seismometer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seismometer

1841, in the meaning defined above

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Time Traveler for seismometer

Time Traveler

The first known use of seismometer was in 1841

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Statistics for seismometer

Last Updated

7 Oct 2020

Cite this Entry

“Seismometer.” Dictionary, Merriam-Webster, Accessed 24 Nov. 2020.

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