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: commotion, disruption, disturbance, flutter, geological phenomenon, hoo-ha, hoo-hah, hurly burly, kerfuffle, to-do

Encyclopedia: Earthquake

• stickiness
• heat sink
• heat unit
• heat up
• heat wave
• heat-absorbing
• heat-releasing
• heat-seeking missile
• heatable
• heated
• heated up
• heatedly
• heater
• heath
• heath aster
• heath family
• heath hen
• heath pea
• Heath Robinson
• heath violet
• heathen
• heathendom
• heathenise
• heathenish
• heathenism