"violent outbreak" is a correct and usable phrase in written English.
You can use it to describe any sudden escalation of violence in a given situation. For example: "The public was alarmed by the recent violent outbreak in the area."
But they pointed out that none of New Jersey's prisons or jails suffered such a violent outbreak during the storm.
The police broke up a protest spearheaded by a returning opposition leader with tear gas two weeks ago, the most violent outbreak since postelection riots in 2009.
The violent outbreak of religious fanaticism in 1860 led to direct European involvement in the region, particularly in the area of modern-day Lebanon.
"This was probably the most violent outbreak here," the new commander of the detention camp, Rear Adm. Harry B. Harris, Jr., said Friday.
By not taking this route, the show keeps things moving along, communicating the runaway momentum that carried these riots from bubbling rage to violent outbreak.
While the Shanghai protests were peaceful, a violent outbreak of rioting occurred in late June in Weng'an, a remote township in Guizhou province.
"This delicate state of affairs is liable to deteriorate into violent outbreaks against Israelis in Turkey".
Many Chicago Public School students were still going to jail as a result of violent outbreaks in school.
The days and nights that followed passed in a natural or induced coma, interrupted by violent outbreaks of emotion.
But in the opinion of some residents, such violent outbreaks have the disquieting feel of a resurgence of gang activity.
There were violent outbreaks that were sternly suppressed, and the gulf between Britain and India became wider than ever before.
