Assertion: earthquake | /r/HasProperty | vibration
Facets:
Source sentences:
text: Earthquakes are the vibrations caused by rocks breaking under stress.
text: An earthquake is the shaking and vibration of the crust due to plate tectonics (movement of plates).
text: Earthquakes are tremors or vibrations in the Earth's crust that are caused by the build up or accumulation of pressure (more correctly termed stress).