upheaval

英[ʌp'hiːv(ə)l] 美[ʌp'hivl]

1. a state of violent disturbance and disorder (as in politics or social conditions generally);

"the industrial revolution was a period of great turbulence"

2. a violent disturbance;

"the convulsions of the stock market"

3. (geology) a rise of land to a higher elevation (as in the process of mountain building)

4. disturbance usually in protest