moon·​quake | \ ˈmün-ˌkwāk How to pronounce moonquake (audio) \

Definition of moonquake

: a seismic event on the moon

Examples of moonquake in a Sentence

Recent Examples on the Web

Exploring lunar nova The lander is equipped with a seismometer to listen for moonquakes and a Langmuir probe that will measure fluctuations in the wispy plasma enveloping the lunar surface. Sanjay Kumar, Science | AAAS, "'Failure is part of the game': Indian spacecraft presumed lost after moon landing attempt," 7 Sep. 2019 The lander carried a thermal probe to take the moon’s temperature up to 10 centimeters underground and was also equipped with a seismometer to monitor moonquakes, which could have provided important information about the moon’s deep interior. Jonathan O'callaghan, Scientific American, "India Loses Contact with Lunar Lander," 6 Sep. 2019 Vikram contains equipment for three experiments: one to study the Moon's ionosphere, one to study the temperature of the top 4 inches of the lunar surface and the other to study moonquakes. Fox News, "India's Chandrayaan-2 spacecraft set for historic lunar landing," 2 Sep. 2019 The lander's 14-day mission focus on the search for water and minerals and will attempt to measure moonquakes. John Bacon, USA TODAY, "India launches 'historic' flight bound for the moon," 22 July 2019 Beyond the occasional moonquake, not much happens amidst the impact basins that were once brimming with lava billions of years ago. David Grossman, Popular Mechanics, "The Moon: An Explainer," 25 July 2019 If touchdown is successful, the Vikram lander will serve as a listening station for seismic waves from moonquakes, which could reveal more details about the structure of the lunar core, mantle and crust. Shekhar Chandra, Scientific American, "What to Expect from India’s Second Moon Mission," 12 July 2019 There have been a number of explanations over the years, from meteors to moonquakes to UFOs, but none have ever been proven. Fox News, "Mysterious light flashes on the Moon have been baffling researchers for decades," 6 June 2019 For Watters, this suggests that the scarps are the most likely epicenters of the moonquakes. Adam Mann, National Geographic, "The moon may be tectonically active, and geologists are shaken," 13 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'moonquake.' 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 moonquake

1946, in the meaning defined above

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moon plant







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12 Sep 2019

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The first known use of moonquake was in 1946

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