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moonquake

American  
[moon-kweyk] / ˈmunˌkweɪk /

noun

  1. a seismic vibration of the moon's surface.


moonquake British  
/ ˈmuːnˌkweɪk /

noun

  1. a light tremor of the moon, detected on the moon's surface

"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

Etymology

Origin of moonquake

First recorded in 1935–40; moon + (earth)quake

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Expanding the map of potential moonquake sources provides scientists with new opportunities to study the Moon's interior and tectonic behavior.

From Science Daily

"But if you have a habitat or crewed mission up on the moon for a whole decade, that's 3,650 days times 1 in 20 million, or the risk of a hazardous moonquake becoming about 1 in 5,500. It's similar to going from the extremely low odds of winning a lottery to much higher odds of being dealt a four of a kind poker hand."

From Science Daily

Onodera inspected each one to confirm it had the expected seismic shape of a moonquake.

From Science Magazine

Some of the first seismic waves detected after a moonquake are scattered by this layer, and the scatter obscures later-arriving waves that could provide more information about the depths of the Moon.

From Science Daily

"It could be some space debris - such as a meteorite or an asteroid - hitting the surface. Or it could be seismic which would make it the first Moonquake recorded since the 1970s. In that case, this could lead to an explanation of what's under the Moon's surface and its geography."

From BBC