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Noun: earthquake  'urth,kweyk
  1. Shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity
    - quake, temblor, seism
  2. A disturbance that is extremely disruptive
    "selling the company caused an earthquake among the employees"

Derived forms: earthquakes

Type of: carry-on [Brit, informal], commotion, disruption, disturbance, flutter, geological phenomenon, hoo-ha [informal], hoo-hah [informal], hurly burly, kerfuffle [Brit, informal], song and dance [Brit, informal], to-do [informal]

Encyclopedia: Earthquake