What happens during the first 24 hours after a nuclear explosion?

Mudassir Ali
Feb 06, 2020 03:23 PM 0 Answers
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Mudassir Ali
- Feb 06, 2020 03:24 PM

You’re having a relaxing night off from work when suddenly you hear WWII era sirens begin to sound, checking the news you find that a nuclear missile is inbound to hit your city.

While the threat of an event like this occurring is extremely low, in the event that something like this happens, here is what will happen, and what you can do to avoid it.

Surviving the initial explosion

Surviving the initial explosion should be your main concern, you should also be concerned with the flash of the explosion, you can do this by simply looking away or closing your eyes, you do this to prevent your retinas from being literally burned away.
Surviving fallout

Most people would assume that their best chance to survive the fallout is to get in their car and drive fast and far.
This is actually something you shouldn’t do; when the missile explodes, it sends radioactive material flying at over 100 mph, faster than you would most likely be driving.
Experts recommend staying put in some robust shelter, whether that be underground (Preferably) or in a house outside of the blase radius, they also recommend that you stay indoors for at least 12–24 hours to allow for the extremely high radiation to decay – nuclear fallout is super radioactive within the first 24 hours.

(1 R is equivalent to about 0.02 Gray – 5–10 gray is considered lethal to most people)


While the question asks about the first 24 hours, I thought it would be nice to add some more in-depth answer details.

If you have the food supplies, the longer you can stay in your home/shelter the better, as the decay rate will ensure that you will absorb less radiation.
If the time comes that you must leave, remember that when you arrive at the new location, ensure that you clean your self thoroughly as to prevent more radiation poisoning/absorption.

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