disturbance the act of disturbing something or someone; setting something in motion
dislocation,
breakdown the act of disrupting an established order so it fails to continue; "the social dislocations resulting from government policies"; "his warning came after the breakdown of talks in London"
disruption -
an act of delaying or interrupting the continuity; "it was presented without commercial breaks"; "there was a gap in his account"
interruption,
break some abrupt occurrence that interrupts an ongoing activity; "the telephone is an annoying interruption"; "there was a break in the action when a player was hurt"