quake

quake (http://definr.com/quake)

     n : shaking and vibration at the surface of the earth resulting
         from underground movement along a fault plane of from
         volcanic activity [syn: earthquake, temblor, seism]
     v 1: shake with fast, tremulous movements" [syn: quiver]
     2: shake with seismic vibrations, as of planets; "The earth was
        quaking" [syn: tremor]