How far do you have to be to survive an atomic bomb attack?

Answer 1

It depends on how many kilotons the bomb has which is pretty much literally its destructive power. The atomic bomb dropped on Hiroshima during World WarII was called little boy and had either 25, 30, or 35 kilotons(sorry i can't remember the exact amount) and reached about 0.5 or 1 mile from where it was dropped in all directions. Little boy was the first atomic bomb ever used. Hope this answers your question correctly =)

Answer 2

Very few atomic bombs are actually designed to explode on the ground, usually they explode at a significant altitude to spread the damage out as far as possible.

Those that do explode on the ground come in three types:

1. contact burst - explodes on contact to destroy hardened surface targets
2. laydown - lands gently on the ground using a parachute and explodes after a delay to crater runways and harass repair teams trying to repair the initial damage (some laydown bombs might have delay times of several hours, for this purpose)
3. ground penetrator - hardened to penetrate dirt, rock, and concrete to some depth before exploding to destroy deep underground bunkers and missile silos

Answer 3

Your question has no easy answer, it depends on many variables including:

• Yield of bomb
• Burst height/depth
• Weather
• Terrain
• If burst is subsurface, the material around it (dirt, water, rock, concrete, etc.)
• Construction of nearby buildings
• Fallout path & density
• etc.

Answer 4

Ground zero is the point on the ground directly below (or above) the point of the explosion.

Answer 5

It depends on the size of the bomb.