You Might Survive a Nuclear Blast—if You Have the Right Shelter (2024)

Shown are the contours of the maximum airspeed attained during the first 10 seconds after the blast wave enters the window; overpressure equals 5 pounds per square inch.

Courtesy of I. Kokkinakis and D. Drikakis/University of Nicosia

But let’s be honest: Most people, even in the moderate damage zone, won’t survive. Hardly anyone lives or works in nearly windowless reinforced-concrete buildings, nor in the vicinity of a concrete bunker. (Even people at a bank would have to get into the vault to be in the safest place; people in a subway would get the most benefit in a station that’s very deep underground.) Most people live in timber-frame or other less-armored buildings.

This shouldn’t be construed as a way to be safe in a nuclear explosion, says Dylan Spaulding, an earth scientist and nuclear expert at the Union of Concerned Scientists. Strong structures made of concrete with metal reinforcement and designed for seismic safety would survive the pressures the team modeled, he says, but those pressures would be enough to destroy most traditional, wood-framed houses and brick structures without reinforcement.

And he points out that the blast wave is only part of the story. While it is the main source of danger in a non-nuclear explosion—like the one thatrocked Beirut in 2020, which was caused by a large quantity of flammable ammonium nitrate stored at the city’s port—nuclear weapons also throw out ionizing radiation and heat, followed by radioactive fallout.

Radiation exposure through the skin or inhalation can havemany health effects, including skin burns, organ damage, andcancer. The range of radiation exposure could extend tens of miles from the epicenter, so people who survive the blast could later be felled by the radiation.

Drikakis’ example focused on what’s called a “strategic” nuke deployed on an ICBM, but there are also “tactical” nukes, which are dropped by a plane onto a battlefield and which can blow up on the ground. Such explosions play out differently but can be as deadly and destructive, potentially exposing more people to lethal radiation doses, Spaulding says.

You Might Survive a Nuclear Blast—if You Have the Right Shelter (2024)

FAQs

You Might Survive a Nuclear Blast—if You Have the Right Shelter? ›

The best locations are underground and in the middle of larger buildings. While commuting, identify appropriate shelters to seek in the event of a detonation. Outdoor areas, vehicles and mobile homes do NOT provide adequate shelter. Look for basem*nts or the center of large multi-story buildings.

Can you survive a nuclear bomb in a shelter? ›

Seek shelter indoors, preferably underground and in a brick or concrete building, per the Red Cross and FEMA. Go as far underground as possible, per the Red Cross and FEMA. If that's not possible, try to stay in the center of the building, for example in a stairwell.

How far away from a nuclear blast would you have to be to survive? ›

So, on average, that's about 37 times smaller than the bomb in the researchers' simulation. A warhead of this magnitude would likely obliterate everything within 2.5 miles, but people beyond that radius may stand a chance if they're sheltering in the right location of a sturdy structure.

What is the best shelter for a nuclear explosion? ›

The safest buildings have brick or concrete walls. Underground parking garages and subways can also provide good shelter.

Would a bunker save you from a nuke? ›

Unfortunately, no bunker can completely mitigate the effects of a modern nuclear attack. Nuclear explosions near or under the earth's surface initiate seismic activity, which can amplify their effects manifold. This would be extremely detrimental to the bunker's safety.

Is 30 miles from a nuclear bomb safe? ›

Anyone up to a few miles away would suffer third-degree burns. People up to 53 miles away could experience temporary blindness. Fires would tear through the wreckage. Emergency services would struggle to support survivors in the immediate vicinity of the blast.

How far away from a nuclear bomb is safe from radiation? ›

Even though there is very little fallout that still exists in the environment, it is important to remember that recent fallout, within about 10 to 20 miles downwind of the detonation, can be very dangerous. This section talks about the different ways we can be exposed to radiation if a nuclear detonation occurs.

Is 50 miles away from a nuclear blast safe? ›

A 1,000-kiloton nuclear blast might produce third-degree burns up to 5 miles away, second-degree burns up to 6 miles away, and first-degree burns up to 7 miles away, according to one estimate from AsapScience. People up to 53 miles away could also experience temporary blindness.

Am I safe from a nuke 100 miles away? ›

Here, it's important to stress that even if the nuclear event doesn't happen in your immediate area—even if it's hundreds of miles away—the fallout could still potentially reach you in a day or less.

How long would it take for radiation to clear after a nuclear war? ›

Although the dangerous radiation levels will subside rapidly over the first few days, residual radiation from the long half-life fission products (such as 90Sr, 106Ru, 137Cs, 147Pm, and 155Eu) will become the main contributions to exposure (after about 10 years).

Where to buy a house to survive a nuclear war? ›

Another real estate expert, Agent Editorial Board chair Jasen Edwards, suggested the Midwest and southeast due to their access to fresh water and farmland, and the Rocky Mountains which are difficult for nuclear warheads to reach.

How to build a nuclear proof shelter? ›

In this case, use a minimum of two feet of concrete for the walls and a dome masonry roof to protect against nuclear radiation and radiation exposure. If you've opted to build an underground version of a concrete bomb shelter, you can start building your walls against the packed earth.

Where is the safest place to live in the US if there is a nuclear war? ›

Parts of California, Florida and Texas that are away from their big cities like San Francisco, Miami and Houston are ideal because they are near water and have good weather. 'If you're near water you will always be near food and water that can be ingested after it has been desalinated,' said Ragusa.

What to do if a nuke is coming? ›

immediately get inside the nearest building and move away from windows. This will help provide protection from the blast, heat, and radiation of the detonation. occurs take cover from the blast behind anything that might offer protection. Lie face down to protect exposed skin from the heat and flying debris.

How long would you have to live in a bunker after nuclear war? ›

It can be hard to gauge when it's safe to emerge from your shelter, but most estimates suggest a minimum stay of 24-hours, and a maximum stay of 14-days - enough time for the initial radiation to fall to (relatively) safe levels.

Is nuclear war likely? ›

At the heart of all of this work is a chilling conclusion: The possibility of a nuclear strike, once inconceivable in modern conflict, is more likely now than at any other time since the Cold War.

Where is the best place to survive a nuclear war in the US? ›

The best locations are underground and in the middle of larger buildings. While commuting, identify appropriate shelters to seek in the event of a detonation. Outdoor areas, vehicles and mobile homes do NOT provide adequate shelter. Look for basem*nts or the center of large multi-story buildings.

How effective are nuclear bomb shelters? ›

Some gamma radiation from fallout will penetrate into even the best shelters. However, the radiation dose received while inside a shelter can be significantly reduced with proper shielding. Ten halving thicknesses of a given material can reduce gamma exposure to less than 1⁄1000 of unshielded exposure.

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