"Is there any possibility of going North and getting out through Turkey?"
Do not go anywhere. Do not move (unless it's a very short dash to a safer 5-star hotel). Otherwise stay exactly where you are.
The roads will be lawless at the moment, and you are an American.
Hang tight.
Exactly. Also - find a French or Russian person and learn the accent, then use it at all times until well on the way home. Hide your documents identifying you as American.