A device that uses a nuclear reaction to create an explosion. Nuclear devices range from a small portable device carried by an individual to a weapon carried by a missile.
It is an explosion that occurs as a result of the rapid release of energy from a nuclear device detonation. Nuclear explosions can cause significant damage and casualties from blast, heat, and radiation but you can keep your family safe by knowing what to do and being prepared if it occurs.
What is the most dangerous part of a nuclear explosion besides the blast zone?
Fallout is most dangerous in the first few hours after the detonation when it is giving off the highest levels of radiation. It takes time for fallout to arrive back to ground level, often more than 15 minutes for areas outside of the immediate blast damage zones.
Blast Zone - (aka blast radius) a region or area where an explosion or detonation has occurred; inside the blast wave is hardest hit with fire and heat.
Blast Wave - can cause death, injury, and damage to structures several miles out from the blast.
Detonation - the action of causing a bomb or explosive device to explode.
Electromagnetic Pulse (EMP) - can damage electronics several miles out from the detonation and cause temporary disruptions further out.
Fallout - is radioactive, visible dirt and debris raining down that can cause sickness to those who are outside.
Fire and Heat - can cause death, burn injuries, and damage to structures several miles out.
Flash Blindness - is caused by the initial bright flash of light produced by the nuclear detonation which can cause temporary blindness for less than a minute.
Radiation - can damage cells of the body. Large exposures can cause radiation sickness.
Landslides and Mudflows
Thunderstorms and Lightning
Nuclear Power Plants
If you are advised to evacuate:
If you shelter-in-place:
If you are outdoors when the detonation occurs: