moonquake

noun
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 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, "Literally Everything You Ever Wanted to Know About the Moon," 19 Nov. 2020 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, "Literally Everything You Ever Wanted to Know About the Moon," 19 Nov. 2020 The moon has moonquakes Small moonquakes several miles below the surface are believed to be caused by the gravitational pull of the Earth. Fox News, "5 interesting facts about the moon," 16 Mar. 2020 In general, the shape of these events is similar to that of moonquakes. John Timmer, Ars Technica, "Marsquakes and ancient magnetic fields: InSight’s first data," 25 Feb. 2020 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

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.

See More

First Known Use of moonquake

1946, in the meaning defined above

Keep scrolling for more

Learn More about moonquake

Time Traveler for moonquake

Time Traveler

The first known use of moonquake was in 1946

See more words from the same year

Statistics for moonquake

Last Updated

14 Dec 2020

Cite this Entry

“Moonquake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moonquake. Accessed 19 Jan. 2021.

More from Merriam-Webster on moonquake

Britannica.com: Encyclopedia article about moonquake

Comments on moonquake

What made you want to look up moonquake? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!