The 2015 deal introduced strict limits on Iran's atomic activities in exchange for the lifting of sanctions. It slashed Iran's stock of enriched uranium, leaving it only with a small amount enriched to up to 3.67% purity, far from the roughly 90% purity that is weapons grade.

Israel has carried out attacks on Iran's nuclear facilities, alleging Tehran was getting close to obtaining a nuclear weapon.

The map created using a simulation tool shows the devastating impact of a hypothetical U.S. nuclear strike on Tehran, Isfahan, and Qom.