"sudden rupture" is a correct and usable phrase in written English.
You can use it when referring to a rapid, unexpected break in a situation or relationship. For example: "The sudden rupture of the alliance between the two countries shocked all observers."
Earthquakes are caused – as often explained in this blog – by a sudden rupture of the bond between two flanks of an earthquake fault.
An Israeli military strike on Iran could create a sudden rupture between Germany and Israel in the way that the Iraq war did between Germany and the US.
Mr. Close's life took a radical turn in 1988, when the sudden rupture of a spinal artery left him almost entirely paralyzed from the neck down.
Mr. Trudeau called Mr. Trump twice, on Tuesday and Wednesday, to discuss the sudden rupture in the trade relationship between the United States and Canada.
British businesses in particular are eager to have certainty that there will be a transition, rather than a sudden rupture — considered a "cliff edge" departure — from the bloc.
A sudden rupture of a rock face in a coal mine in central China has killed four miners and trapped 50, Chinese news reports say.
But researchers have learned that such heart attacks are caused by the sudden rupturing of plaque, and the tests cannot predict the ruptures, Dr. Frame said.
But studies have shown that the cause of such heart attacks is usually the sudden rupturing of plaque, something the test is unable to predict.
The Secretary or agency head shall impose requirements for the operation of the pipeline and related facilities in a manner that will protect the safety of workers and protect the public from sudden ruptures and slow degradation of the pipeline.
The swarming of Heteronereis is graphically described and referred to as an impressive scene of life and death the males circling round the females and rendering the sea-water milky by their discharged sperms, the sudden rupturing of the bodies of the females and the liberation of the eggs, which are immediately fertilised, while the bodies of the females fall to the bottom and die.
A sudden rupture-velocity variation appeared between the second and third sub-events on the southwest branch near the latitude of 37°.
