1. [ noun ] (geology) shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity
Synonyms: quake seism temblor
Related terms: geological_phenomenon shock seaquake tremor tremor
2. [ noun ] a disturbance that is extremely disruptive

"selling the company caused an earthquake among the employees"

Related terms: disturbance
Similar spelling:   earthstar