This article contains speculation, information which has not been confirmed by a reliable source. The game is still in development, and all information is subject to change.
The Atlantis Fracture is a series of islands located in the central Atlantic Ocean. Their appearance was caused by the impact of meteor FA23 during the Firefall. It was therefore extremely rich in crystite, and a primary target during the Crystite Wars.
Little other information is available at this point.