India, Feb. 19 -- A newly released map indicates that a sudden nuclear attack could turn 75 per cent of the United States population, up to 250 million people, into ashes in seconds.

Design project Halcyon Maps used their expertise to create the map, revealing how the fallout would spread across the States and all the destructive consequences it would leave behind. The map was created using data from the Federal Emergency Management Agency (FEMA), which includes blast radius measurements, fallout patterns, radiation exposure measurements, and population density calculations in different zones.

The most densely populated areas, including cities on the East Coast, Midwest, West Coast, and Southern regions, are expected to be primary targe...