How long do you have to stay underground after a nuclear war?

How long do you have to stay underground after a nuclear war?

Stay inside for 24 hours unless local authorities provide other instructions. Continue to practice social distancing by wearing a mask and by keeping a distance of at least six feet between yourself and people who not part of your household. Family should stay where they are inside.

How long after a nuclear war is it safe?

Fallout radiation decays relatively quickly with time. Most areas become fairly safe for travel and decontamination after three to five weeks.

How long after a nuclear explosion is it safe to live?

The US Department of Health and Human Services recommends staying indoors for at least 24 hours in the event of a nuclear explosion. After 48 hours, the exposure rate from a 10-kiloton explosion (the type that might damage but not destroy a city) goes down to just 1\%.

How long can you last in a bunker?

The bunkers built to survive apocalypse It is designed for a community of up to 75 people to weather a maximum of five years inside a sealed, self-sufficient luxury habitat. When the event passes, residents expect to be able emerge into the post-apocalyptic world (Paw, in prepper parlance) to rebuild society afresh.

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How fast is a nuclear shockwave?

All blast waves move at a velocity that depends upon the blast intensity, and they diminish in speed with distance from the explosion. A nuclear blast wave can start at 5 times the speed of sound about 6000 km an hour. Did some rough math and came up with about 45,000 mph.

How long should you stay in a shelter after a bomb?

So after 49 hours (7×7) or roughly 2 days, the radiation would have died down to just 100th of the level it was an hour after the bomb. In 2 weeks it would be down by 1000. So ideally 2 weeks or more would be good to stay in a shelter. It depends also on how cramped it is, what suppl…

How long would it take to live underground after a nuclear war?

The areas that receive significant fallout will see the radiation levels diminish in a few weeks to tolerable levels. There simply is no need to maintain life underground unless you are writing a Hollywood movie script. In an all out nuclear war, only 1 1/2\% of the worlds land surface area would directly be involved.

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How would you survive a nuclear war in the military?

As a NBC NCO in the Marine Corps we trained to survive this type of scenario. Firstly we were capable of coming out of the bunker immediately in full MOPP4 gear to engage any enemy. You can operate in a Nuked area for a certain amount of time until you absorb enough rads to in an amount of time.

How long would it take to survive in a fallout shelter?

So from 2 days to 2 weeks & it would be pretty safe to leave the fallout shelter, purely from a radiation point of view. Background radiation would still be considered high against the very strict peace time allowances, but for war time, 2 weeks would usually be enough.