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

When Israel launched its series of strikes against Iran last week, it also issued a number of dire warnings about the country’s nuclear program, suggesting Iran was fast approaching a point of no return in its quest to obtain nuclear weapons and that the strikes were necessary to preempt that outcome.

U.S. President Donald Trump said he wanted a "real end" to the nuclear problem with Iran, with Iran "giving up entirely" on nuclear weapons, in comments he made to reporters on Air Force One on his way back from the Group of Seven summit in Canada.