Synonyms: earthquake, quake, seism, temblor
Definition: shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity
Similar words: geological phenomenon
Definition: a natural phenomenon involving the structure or composition of the earth
Synonyms: earthquake
Definition: a disturbance that is extremely disruptive
Usage: selling the company caused an earthquake among the employees
Similar words: disruption, disturbance, to-do, commotion, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle
Definition: a disorderly outburst or tumult
Usage: they were amazed by the furious disturbance they had caused