turbulence, upheaval, Sturm und Drang -- (a state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence")
convulsion, turmoil, upheaval -- (a violent disturbance; "the convulsions of the stock market")
upheaval, uplift, upthrow, upthrust -- ((geology) a rise of land to a higher elevation (as in the process of mountain building))
(Sound)
