All I know is the World Keeps Spinning afterwards.
The big shock is that a nuke goes off/shot/dropped
But you don't know who or why and it might be a nuke on Nuke incident where your not sure who did what or if they screwed up testing, and you can't get reliable news, so your naked shitting yourself, and everyone is the enemy abut to nuke you too.

I thought pak and India 2005-09 but it didn't touch off. I'm still placing my artillery piece on that region, and the World spinning round mouth agape incredulous, shock, mortification, and pure mind-revolting Horror.

NK
Pak
India
'
if we're lucky.
meaning lucky if not All, Booooooouuuuuuuuuuussssssssssssshhhhhhhhhhhhh!