noun
A geological phenomenon where water underground freezes and expands, causing the ground to crack and produce a loud noise
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The phenomenon known as a frost quake occurs when the ground suddenly cracks due to the expansion of frozen water underground.
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I heard a loud boom last night, turns out it was just a frost quake causing the ground to crack.
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Dude, did you feel that frost quake last winter? It shook my whole house!
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The news of their breakup was like a frost quake, shattering the peaceful facade of their relationship.