Moonquake definition

mo͝onkwāk
A quake or series of vibrations on the moon similar to an earthquake but usually of very low magnitude.
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A trembling of the surface of the moon, thought to be caused by internal rock slippage or, possibly, meteorite impact.
noun
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A seismic event occurring on the moon; the lunar equivalent of an earthquake.
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Other Word Forms

Noun

Singular:
moonquake
Plural:
moonquakes

Origin of moonquake