Tremor in earth's crust (10)
I believe the answer is:
earthquake
(Other definitions for earthquake that I've seen before include "Strong tremor" , "Seismic event" , "Violent tremor in ground" , "natural disaster" .)
I believe the answer is:
earthquake
(Other definitions for earthquake that I've seen before include "Strong tremor" , "Seismic event" , "Violent tremor in ground" , "natural disaster" .)