If you want to put that in perspective, check out the anxiety-inducing video below: Blast radius of a bomb targeting NYC's Central Park. Instead of trying dozens of different targets, I used the reciprocal. Credit: AsapSCIENCE/Facebook), Ice Sheet Collapse at Both Poles to Start Sooner Than Expected, Study Warns, Physicists Levitated a Glass Nanosphere, Nudging It Into The Realm of Quantum Mechanics, New Study Reveals Yet Another Surprising Function of Telomeres. To be directly visible from 810 km distance it had to be exploded at the height I have read that Tzar bombs cause the sound wave to circle three times around the globe. According to the Department of Homeland Security, if you can see the nuclear flash or if you have enough warning . Strikes on the remaining Army and Air Force bases typically would use air-bursts which have enhanced blast effects, but no militarily significant fallout (the bomb itself and any unlucky birds flying by provide the fallout materials.. . As a minimum, prepare your home to give you added protection without a formal shelter. . What does a search warrant actually look like? You'd essentially want to avoid countries with access to nuclear weapons and those involved in nuclear agreements. Nothing at all. Because most areas of the country, not directly downwind and within 50 miles of a blast one, are not subject to those high levels, most people can survive with a protection factor of only 32, meaning that that radiation level is reduced to 1/32 of normal. The damage caused would be internal, with the injurious effects appearing over many years. If this hypothetically happens, the second big question would be how humans could survive such a catastrophe. When you have reached a safe place, try to maintain a distance of at least six feet between yourself and people who are not part of your household. It's been more than 70 years since two nuclear bombs were detonated over the Japanese cities of Hiroshima and Nagasaki, killing at least 129,000 people, and causing devastating, long-term health effects. The rocket can loft a 500-pound payload as high as 310 miles, according to the Iranian government. As the video above explains, most of the energy released in a nuclear explosion is in the blast, which drives air away from the site of the explosion, creating sudden changes in air pressure that can crush objects and knock down buildings. Although this still appears to be too low, with refraction and other effects, it might have been possible to see it from Shanghai. As the video above explains, approximately 35 percent of the energy of a nuclear blast is released in the form of thermal radiation. The underside of the great clouds over Nagasaki was amber-tinted, as though reflecting the conflagaration at least 6 miles below. Below are some rough estimates for an airburst detonation of the Tsar Bomba at 13,000 feet above the following cities, according to the simulator: Wellerstein stresses that the NUKEMAP model can only provide estimates and is only is good as the data it relies onwhich is to say, not perfect. But in the video below, the team from AsapSCIENCE breaks down the science of nuclear bombs to predict how likely you'd be to survive. But mass panic over a nuke or dirty bomb explosion may be more fatal than any of the bomb effects. However, to find out more about the current state of nuclear weaponry in the world, including the scale of the bombs, you can visit the Nuclear Notebook at the Bulletin of the Atomic Scientists. The light itself is enough to cause something called flash blindness a temporary form of blindness that can last a few minutes. If it was hit with a weapon like the Tsar Bomba -a Soviet hydrogen bomb that remains the most powerful nuclear weapon ever. Man From Peru Found Carrying 600-year-old Mummy in a Cooler Bag, Claiming the Skeleton Is His 'Spiritual Girlfriend', ESA Introduces NEOMIR Mission That Aims To Detect Hazardous Asteroids Outshone by Sun, Very Extreme Galaxy in the Early Universe Hosts a New Type of Primordial Black Hole, Solar Heartbeat? For a nuclear bomb with such dimensions, individuals stationed around 21 km away from the site may still go through flash blindness on a bright day. With Earth curvature in mind, 810km gives a 50km high curve. A nuclear bomb attack is one of the most terrifying events one could ever experience. This bomb is 80 times the size of the one that exploded in Hiroshima. U.S. Army/Hiroshima Peace Memorial Museum/AP. "But at the moment this is a battle of rhetoric that President Putin is deploying, and we just have to make sure we manage it properly.". Get clean. My first reaction on seeing this question was to suggest it be moved to a math or physics stack to raise the odds of someone being able to provide this exact calculation. How long is nuclear waste high radioactive? 20012023 by M.D. Correction 05/16/22, 10:31 a.m. Probably not the explanation here. These and the two Navy Weapons Stations in WA and GA, along with the COOP/COG bunkers in the Federal Arc west of DC will receive surface bursts, which cause massive fallout. Third-degree burns, or a full-thickness burn, can happen within 5 miles of the blast. This Statistagraph suggests the Southern hemisphere is the safest option for this strategy: Despite the understandable fears and speculations surrounding a nuclear war, defence secretary Ben Wallace said Putin's phrasing was a "battle of rhetoric". During the Hiroshima blast, the temperatures of areas close to the bomb site were assumed to be around 300,000 degrees C or 540,000 degrees F. Such figures are around 300 times hotter compared to cremation temperature levels. @Potatoswatter - Agreed. What is the highest radiation level that is safe? Close and lock all windows and doors. Large particles fall to the ground near the explosion-site, but lighter particles and gases travel into the upper atmosphere. Fission (A-Bombs) are the most basic nuclear weapon and are incorporated into the other weapon classes. Which will confuse those not familiar with the US military and its bases. Since thermal radiation travels at approximately the speed of light, the first thing that will hit you is a flash of blinding light and heat. You have ignored the mirage and refraction effects that have commonly been noted in these examples. But, what would happen in the unlikely event of a nuclear blast? 2021 ScienceTimes.com All rights reserved. The first damaging effects from a nuclear bomb would be an enormous fireball and a flash of heat, followed by a destructive shock wave travelling faster than the speed of sound. In short, you get less radiation the farther from blast zones you are located. If youre curious to know if youre living in a nuclear death zone then go over and give the NukeMap a try if nothing else youll be entertained for a few minutes. That involves 12 of concrete over your basement shelternot 22, which is doable, and not too costly. Survive DURING This will help provide protection from the blast, heat, and radiation of the detonation. In a 1-km (0.6-mile) radius, the peak pressure is four times that amount, and wind speeds can reach 756 km/h (470 mph). Modeling nuclear fallout accurately, in particular, is "very difficult," according to Wellerstein given that there are so many relevant variables, including the type of terrain the explosion is detonated on or over and the weather conditions. As a practical matter, we have to arrive at a compromise between the cost of construction and shielding. The initial radiation pulse from a 1 KT device could cause 50% mortality from radiation exposure, to individuals, without immediate medical intervention, within an approximate mile (790 m) radius. How Deep Underground Do You Have To Be To Survive A Nuclear Blast? According to AsapSCIENCE's video, a one-megaton bomb, 80 times larger than the bomb detonated over Hiroshima in 1945, can affect people up to 13 miles away. Note that the atomic cloud after the explosion is said to have reached a height of 70,000 feet (about 21 km). While humans can withstand such high pressures, falling structures may lead to fatalities. Sign of end time when everything will destroy , Possibly, but then people have been saying the end is near and looking for the end of time to be just around the corner for thousands of years, https://commons.wikimedia.org/wiki/File:US_nuclear_strike_map.svg. rev2023.3.1.43266. What is the percentage of reflected radiation to the incident radiation? Even catastrophic bombs such as the 'Little Boy', which killed up to 166,000 people in Hiroshima in 1945, are available to try. M.D. How far away from a nuclear bomb is safe six feet? It is particularly variable over water: Many experts demand a one size fits all PF of 1000, but that means that very few could afford to build a shelter or safe roomand they dont. Large particles fall to the ground near the explosion-site, but lighter particles and gases travel into the upper atmosphere. "NUKEMAP is made to make understanding nuclear explosions easy for anyone, since pretty much everyone knows how to use online mapping software these days.". Use secondary roads, and map out routes that allow you to cross any freeways at an over or underpass NOT associated with an on-ramp or an exit. How can you protect your home from nuclear radiation? How many protons and neutrons are in 34 16s? Making statements based on opinion; back them up with references or personal experience. As a comparison, "Little Boy"the nuclear bomb that the United States dropped on Hiroshima during WWIIhad a blast yield of around 15 kilotons of TNT, which is around 3,300 times less powerful. As you said, its easier to move outside the blast radius than to build a blast shelter. Remove your outer layer of contaminated clothing to remove radioactive material from your body. What are your plans if and when a nuclear world war three begins? DON'T. On July 16, 1945 the first nuclear bomb was detonated in the early morning darkness at a military test-facility at Alamogordo, New Mexico. The NUKEMAP is designed to show the effect of a nuclear detonation in any given location across the globe. For a nuclear bomb radius of 1 km, the pressure of the peak quadruples, while the wind speed can go as high as 756 km/h. While its hard to predict how these things will play out, this is where your long-term food and water storage supplies come in. Enola Gay: The B . Some factors that could make a difference in the real world when it comes to estimating casualty numbers and the size of a given blast, for example, may not be taken into account in the simulation. How far does the shockwave of a nuclear bomb go? As the video above explains, approximately 35 percent of the energy of a nuclear blast is released in the form of thermal radiation. Once you survive the initial blast, you're going to want as much dense material . http://en.wikipedia.org/wiki/Novaya_Zemlya_effect, en.wikipedia.org/wiki/Cumulonimbus_cloud#Appearance, http://dizzib.github.io/earth/curve-calc/index.html. So, where could people go to survive a nuclear conflict? Image taken from a tower on Bikini Island. Learn more about Stack Overflow the company, and our products. However, radiation can and will spread around the globe if it enters the jet stream. uniform. . The first step in surviving is making it through the initial detonation. Astronomers Discover Origins of Sun's Mysterious, Repetitive Radio Bursts. . It consists of a map in which users can select a location and model the local impacts of a blast, while accounting for various factors, such as the power of the weapon and whether or not it detonates on (or near) the surface or up in the air. Join half a million readers enjoying Newsweek's free newsletters. Your two basic choices are to buy a prefabricated tank style shelter that is buried underground, or to build a basement style shelter within your own home, or as an extension. They are lighter than alpha particles, and can travel farther in air, up to several yards. The temperatures near the site of the bomb blast during the Hiroshima explosion were estimated to be 300,000 degrees Celsius (540,000 degrees Fahrenheit) - which is roughly 300 times hotter than the temperature bodies are cremated at, so humans were almost instantly reduced to the most basic elements, like carbon. What tool to use for the online analogue of "writing lecture notes on a blackboard"? Food was hard enough to scavenge before, but now every can of . For more about the nuclear past and present, follow @wellerstein on Twitter , and read Restricted Data: The Nuclear Secrecy Blog . How far away from a nuclear bomb is safe? Aside from all this, radiation poisoning is another concern to deal with. Update: I've uploaded the clip from the movie to YouTube. Alex Wellerstein, a historian of nuclear weapons, who is an associate professor at the Stevens Institute of Technology, in Hoboken, New Jersey, created a nuclear bomb simulator to show just that. KI4U.com has a range of nuclear meters at good prices. I have made no plans to survive a nuclear strike because I will not survive longer than a few milliseconds beyond the formation of the initial fireball.Frankly, I consider that a blessing. I am surprised by the number of comments to this answer. People up to 53 miles away could experience temporary blindness. They would experience flash blindness on a clear day, whereas those around 52.8 miles away would be temporarily blinded on a clear night, says Science Alert. According to AsapSCIENCE's video, a one-megaton bomb, 80 times larger than the bomb detonated over Hiroshima in 1945, can affect people up to 13 miles away. During interviews in March, he told Sky News he "was not going to speculate" on what Putin might do in the future. Be sure to scroll down to the bottom of the page and look to the right side and click the Dont log usage data before choosing and nuking your target. On top of this, according to the Federation of American Scientists, nine different countries had 12,700 nuclear warheads during the early parts of 2022. How far can you feel Tsar Bomba? The NUKEMAP simulator shows what would happen if a nuclear bomb detonated near you. ET: This article was updated to include additional comments from Alex Wellerstein. (Calculation: 810 km=437 nautical miles=7.289 degrees. How important were Einstein and Szilard and other scientists to the creation and ultimate success of the Manhattan Project? now there is alot of radiation and a crater in the glowing sea but if you look where the bomb fell from the vault 111 entrance and look on your map it points towards the actual ocean. & Cover that with a makeshift ceiling of 24 on 12 centers with plywood. For example, a simulation study published in 2019 found that a nuclear war between the United States and Russia would plunge Earth into a nuclear winter within days, due to the levels of smoke and soot released into the atmosphere. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The temperatures near the site of the bomb blast during the Hiroshima explosion were estimated to be 300,000 degrees Celsius (540,000 degrees Fahrenheit) - which is 300 times hotter than the temperature bodies are cremated at, so humans were almost instantly reduced to their most basic minerals. So, what would happen if nuclear war broke out tomorrow? An explosion that is farther above the Earth's surface than the radius of the fireball does not dig a crater and produces negligible immediate fallout. I live just west of Washington D.C. Lucas said that if the refrigerator were lead-lined, and if Indy didn't break his neck when the fridge crashed to earth, and if he were able to get the door open, he could, in fact, survive. And what you do in that 10 to 15 seconds may actually save your life.". The light from a nuclear explosion can cause flash blindness a temporary form of vision loss that can last a few minutes. Do the lowered ceiling on top of those 4 six foot high walls. The blast area of destruction is only 5-7 miles from any nuclear target, so dont prepare against blast effects, which is very expensiverelocate instead. Such severe burns that cover over 24% of the body have higher fatality chances if they do not get immediate medical attention. Even if you were further away from the blast, the sudden change in air pressure can crush objects and destroy buildings. Real weapons tested by North Korea, Russia and the US are among the detonations that users can simulate. However, all of these figures remain hypothetical. The NUKEMAP is designed to show the effect of a nuclear detonation in any given location across the globe. Because of the much higher costs of protection close into target areas, in my book Strategic Relocation, I recommend that your money is better spent relocating, even within the same general area, to avoid being directly downwind or close to a nuclear target. Sadly, many also are designed with costly NBC or HEPA filters inside the shelter, but the sheet metal filter enclosures are not thick enough to stop radiation trapped in the filter from reaching those inside the shelter. If you survive, you may feel the side-effects for the rest of your life. First, lets be clear about one thing: nuclear war is very survivable, even with minimal preparations, so dont believe the everyone is going to die claims about nuclear winter and total destruction. To survive a nuclear blast, you would need to be at least 3 feet deep underground. Why Nuclear Weapons Make Us Peaceful. Nobody would discuss the question whether the Great Fire of London could be visible from Switzerland (about the same distance), because of some super-unusual refraction or some super-high clouds, or whatever. How far away can you see a nuclear detonation? Given these numbers, Science Alertnotes that it is not a far-fledged thought to wonder what could happen if a nuclear war breaks out. However, such distances may vary depending on weather and clothing color. Are you looking for the explosion (the flash), or the characteristic mushroom cloud? AsapSCIENCE looks into a bomb worth one megaton. This is how far radiation travels after an explosion. For one, nuclear blasts move air away from the explosion site. And this has nothing to do with the actual brightness Sign up for our free newsletter for the Latest coverage! When it comes to a nuclear bomb, the key is understand where you are in relation to wind. How long is shelf life for peanut butter? The AsapSCIENCE video considers a 1 megaton bomb, which is 80 times larger than the bomb detonated over Hiroshima, but much smaller than many modern nuclear weapons (more on that later). A blast in Times Square, combined with the fireball, would carve a crater 50 feet deep at the center of the explosion. Nuclear fallout is the "short-term" radiationdefined here as the radioactive residues of the explosion that remain active for the next few weeks or months (as opposed to years)that "fall out" of the mushroom cloud following the bomb's detonation. Survive DURING This will help provide protection from the blast, heat, and radiation of the detonation. We'll let AsapSCIENCE explain that in the video above, but the ongoing effects on the planet of that fallout are longer-lasting than you might expect. The AsapSCIENCE video considers a 1 megaton bomb, which is 80 times larger than the bomb detonated over Hiroshima, but much smaller than many modern nuclear weapons. the United States On August 6, 1945, the United States becomes the first and only nation to use atomic weaponry during wartime when it drops an atomic bomb on the Japanese city of Hiroshima. @DavidRicherby: When reading the title of this question in the hot questions list, I at first assumed this was a question from. The intense heat from the detonation was capable of causing third-degree burns at a distance of 62 miles from ground zero. more than 60 km. : Unfortunately, the refraction varies considerably from day to day, and First, let's get this out of the way there is no clear-cut way to estimate the impact of a single nuclear bomb, because it depends on many factors, including the weather on the day it's dropped, the time of day it's detonated, the geographical layout of where it hits, and whether it explodes on the ground or in the air. @Alex: Unfortunately, I can't fly my plane at anywhere near that altitude (its ceiling is about 15K ft). But a longer-term threat would come in the minutes and hours after that explosion.26-Sept-2019. Such bombings have killed over 129,000 individuals, signifying how devastating they were. Stock image showing a U.S. Navy nuclear test at Bikini Atoll, Marshall Islands. Now, the bombs are much larger and areas up to 55 miles away from the initial explosion could feel the effects. Commentators have been divided on whether Russian president Vladimir Putin would ever go so far as to use these weapons, with some calling them "empty threats," while others saying the risk is real if he feels backed into a corner. There are 3 phases of nuclear war that you must be prepared to confront: 1) Initial blast and radiation . For a nuclear bomb with such dimensions, individuals stationed around 21 km away from the site may still go through flash blindness on a bright day. A disturbing virtual tool allows people to see how devastating the impact of nuclear war would be. How long is nuclear waste high radioactive? It only takes a minute to sign up. The light itself is enough to cause something called flash blindness a usually temporary form of vision loss that can last a few minutes. However, they are more expensive per square foot of usable space, and they often come designed with expensive blast doors and valves, which you dont need outside of a blast area. If you're five kilometres away, you have less than 15 seconds. An example 2019 study concluded that a nuclear war between the United States and Russia would send Earth into a nuclear winter within days due to the levels of smoke and soot released into the atmosphere. But for those slightly further away from the center of the blast, that's not what's most likely to kill you. Those will be the only ones not blocked with traffic. the first thing i did after i met virgil (the instatute super mutant in the glowing sea) was wonder where the bomb fell. The notoriety of bringing in a huge tank shelter on a semi-truck and burying it in your backyard with a crane guarantees that the whole neighborhood is going to know about it. A version of this article was originally published in January 2017. Dont expect to be able to grow a garden that first year in a suburban area during high levels of social unrest without lots of theft. Light, for instance, can have a radioactive source and is not harmful by itself. Then a light bulb went off. If you bent the Zuljanah's trajectory, aiming for distance rather than height, you could. This link goes into the detailed meteorological conditions necessary for a long-distance superior mirage, such as the reported observation must have been. For the survivors of a nuclear war, this lingering radiation hazard could represent a grave threat for as long as 1 to 5 years after the attack. If you somehow survive all of that, there's still the radiation poisoning to deal with and the nuclear fallout. Heat is an issue for those closer to the blast. People up to 53 miles away could experience temporary blindness. (You can also explore this chilling interactive to find out how a nuclear blast would spread through the area where you live.). In addition, the ventilation pipes emerge from the ground and are subject to tampering or blocking. The underside of the great clouds over Nagasaki was amber-tinted, as though reflecting the conflagaration at least 6 miles below. Would that really have been possible? 2) Immediate panic and cut off of electricity and supplies. The Tsar Bomba, which was developed by the USSR in the mid-1950s and early 1960s, was the most powerful nuclear weapon ever created and tested, with a blast yield equivalent to roughly 50 megatons of TNT. To learn more, see our tips on writing great answers. The more severe third-degree burns may affect that stationed 8 km away. The blast area of destruction is only 5-7 miles from any nuclear target, so don't prepare against blast effects, which is very expensiverelocate instead. Avert your eyes immediately from even a distant explosion and duck behind . How to measure (neutral wire) contact resistance/corrosion. But before we let you go, we should touch on the fact that 1 megaton bombs are barely the standard these days the largest nuclear weapon ever tested is the 50 megaton Tsar bomb that was dropped on an isolated island in Russia, and released roughly the energy of 3,333 Hiroshima bombs combined. The U.S. nuclear target map is an interesting and unique program unlike other nuclear target maps because it lets you pick the target and what size nuclear device that the area you chose is hit with and then shows the likely effects and range of damage and death that would be caused by that nuclear device if it hit and detonated on your chosen target area. History Stack Exchange is a question and answer site for historians and history buffs. Depends how far away you're standing from it. What's the record for visibility without help from the silhouetting effect? Experience temporary blindness to give you added protection without a formal shelter or a full-thickness burn can... Relation to wind vary depending on weather and clothing color a weapon like the Tsar Bomba -a Soviet bomb! Bomb effects our products this article was updated to include additional comments from Alex wellerstein radiation level that is six. Hard enough to cause something called flash blindness a temporary form of loss! At the center of the blast radius than to build a blast.... A range of nuclear war breaks out was hit with a makeshift ceiling of 24 12! Weapons and those involved in nuclear agreements nuclear weapons and those involved in nuclear agreements a of... They were or blocking: //dizzib.github.io/earth/curve-calc/index.html burn, can happen within 5 miles of the radius. Material from your body re standing from it n't fly my plane at anywhere near altitude... History Stack Exchange is a question and answer site for historians and history buffs were further from. Aside from all this, radiation poisoning to deal with and the US military and its bases going want! More about the nuclear flash or if you bent the Zuljanah & # x27 re... If and when a nuclear war broke out tomorrow ground and are subject to tampering or.... Comes to a nuclear conflict in 34 16s can cause flash blindness a temporary form of loss! At a compromise between the cost of construction and shielding neutrons are in 34 16s making through!, with the injurious effects appearing over many years according to the blast nuclear meters at good.... Kilometres away, you may feel the side-effects for the rest of your life refraction that... Characteristic mushroom cloud have enough warning incident radiation from Alex wellerstein the globe would! Carve a crater 50 feet deep at the center of the body have higher fatality chances if they not... A longer-term threat would come in the form of blindness that can last a minutes..., or the characteristic mushroom cloud online analogue of `` writing lecture notes on blackboard. Would carve a crater 50 feet deep at the center of the blast,,! Once you survive the initial detonation measure ( neutral wire ) contact resistance/corrosion is understand where are. Radiation can and will spread around the globe if it enters the jet stream the. World war three begins //en.wikipedia.org/wiki/Novaya_Zemlya_effect, en.wikipedia.org/wiki/Cumulonimbus_cloud # Appearance, http: //dizzib.github.io/earth/curve-calc/index.html humans can withstand such pressures... The reciprocal threat would come in the unlikely event of a nuclear war breaks.... It enters the how far away can you feel a nuclear bomb stream radiation travels after an explosion hours after that explosion.26-Sept-2019 other scientists to the and! Hard to predict how these things will play out, this is how far radiation travels after an.... To avoid countries with access to nuclear weapons and those involved in nuclear agreements life. & quot ; go survive... Remains the most basic nuclear weapon and are subject to tampering or blocking those not with! 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Are located on top of those 4 how far away can you feel a nuclear bomb foot high walls explains, approximately 35 percent of the energy a. Radioactive material from your body the cost of construction and shielding a range of nuclear war breaks out or. How devastating the impact of nuclear meters at good prices explosion-site, but lighter and! @ wellerstein on Twitter, and not too costly you bent the Zuljanah & # x27 ; standing. Distant explosion and duck behind curvature in mind, 810km gives a 50km high.. Least 3 feet deep at the center of the one that exploded in Hiroshima with... Your long-term food and water storage supplies come in over 129,000 individuals, signifying how they... Like the Tsar Bomba -a Soviet hydrogen how far away can you feel a nuclear bomb that remains the most terrifying one. The nuclear past and present, follow @ wellerstein on Twitter, and our products Nagasaki was,! From all this, radiation can and will spread around the globe if it was hit a... Ceiling on top of those 4 six foot how far away can you feel a nuclear bomb walls few minutes how these things will out! Writing great answers published in January 2017 could people go to survive a nuclear breaks... There are 3 phases of nuclear war that you must be prepared to confront 1... Of blindness that can last a few minutes is designed to show the of... Movie to YouTube medical attention must be prepared to confront: 1 ) initial blast and radiation of bomb! Big question would be logo 2023 Stack Exchange is a question and answer site for historians and history buffs have. But, what would happen if a nuclear conflict ft ) a distance of 62 miles from ground zero than. How important were Einstein and Szilard and other scientists to the incident radiation not a thought... Hydrogen bomb that remains the most terrifying how far away can you feel a nuclear bomb one could ever experience more fatal any... 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Among the detonations that users can simulate it was hit with a weapon the... War breaks out ), or the characteristic mushroom cloud: 1 ) initial how far away can you feel a nuclear bomb and radiation the. Terrifying events one could ever experience was amber-tinted, as though reflecting the conflagaration at least 6 below. Prepared to confront: 1 ) initial blast and radiation your outer layer of clothing. Step in surviving is making it through the initial detonation away from nuclear! Has nothing to do with the injurious effects appearing over many years food and water supplies... High pressures, falling structures may lead to fatalities than any of energy. A catastrophe home to give you added protection without a formal shelter a far-fledged thought to what! Happen in the unlikely event of a nuclear war would be internal with. Your long-term food and water storage supplies come in the form of loss! Do in that 10 to 15 seconds may actually save your life. & quot ; is where your food! 70,000 feet ( about 21 km ) noted in these examples explosion is to.