"catastrophic danger" is a correct and usable phrase in written English.
You can use it when you are trying to describe a very serious and dangerous situation. For example: "The hurricane on the horizon posed a catastrophic danger to the coastal towns."
Everyone recognizes the catastrophic danger of nuclear weapons.
Anti-nuclear activists will tout it as a warning of catastrophic danger.
"I'm focused on truly catastrophic danger, where we must act," he wrote to me in a late-night e-mail message.
On football fields across the country, the sweating, grunting and hitting of pre-season practice is in full swing, and the nation's athletic trainers are warning that there's still too much head-to-head contact in the game -- and with it, potentially catastrophic danger to the head, neck and spine.
Your reckless statements lashing out against America's enemies, using phrases such as "fire and fury the world has never seen before" in response to North Korea's threats, poses catastrophic danger to America's national security, especially because of your impulsiveness and lack of strategic thinking.
Solarz argued that Saddam Hussein presented a catastrophic danger to the United States analogous to that presented by Nazi Germany and the Empire of Japan in 1941: "This, I contended, was the great lesson of our time: evil exists and when evil is on the march, it must be confronted".
That, of course, is no more true than Greenspan's claim that "everyone" was ignorant of the potentially catastrophic dangers in the securitization of subprime mortgages.
"Whether he does or not, we have these catastrophic dangers lurking out there.
A week does not go by without one advocacy group or government official or activist scientist making sensational claims about the supposed catastrophic dangers that neonics supposedly present.
From sinkholes to tornadoes, hurricanes, volcanoes, tsunamis". Tyson humorously described a very real problem: the universe is a vast obstacle course of catastrophic dangers.
If these groups really cared about the future of our children, they would be preparing them to compete effectively in the technologically advanced world of today and enlightening them on the catastrophic dangers that await their generation if climate change goes unchecked, not to mention educating them in tolerance and the ability to consider beliefs different from their own.
