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Where is the safest place to be if a nuclear bomb goes off?

The threat of nuclear war is a distressing reality in today’s world. With tensions between nations on the rise, many people wonder where the safest place would be in the event of a nuclear detonation. While there are no guarantees of complete safety, research and expert analysis allow us to make educated guesses about the best places to be to maximize one’s chances of survival.

Understanding Nuclear Bombs

Before examining the safest locations, it is important to understand what a nuclear bomb is and how it causes damage. Nuclear bombs produce an explosion of unprecedented magnitude by splitting atomic nuclei in a process called nuclear fission. This fission generates a blinding flash of light, intense heat, powerful shockwaves, and radioactive fallout.

The areas most severely impacted by a nuclear blast are:

  • Ground zero – The immediate vicinity of the detonation where the fireball touches the ground. Everything here is obliterated and incinerated.
  • Moderate damage zone – Extends out a few miles from ground zero. Most buildings are destroyed and radiation levels are extremely high.
  • Light damage zone – Spans out roughly 6-10 miles from the blast. Significant building damage and fires with radioactive fallout.
  • Peripheral zones – Expand out further where damage is limited but radioactive fallout is deposited downwind.

This damage profile shapes where the safest locations from the blast are likely to be found.

Staying Out of the Damage Zone

The most immediate concern following a nuclear detonation is avoiding the severe damage in the areas closest to the blast. Being within several miles of ground zero subjects you to extreme heat, flying debris, and radiation. Survival is unlikely. Thus, the first criterion for staying safe is being far enough away to avoid complete destruction.

Experts suggest a minimum safe distance is 10-20 miles from ground zero, though 30-50 miles is preferable if escape is possible. Being 100+ miles away provides very high odds of avoiding blast impacts entirely. However, radioactive fallout can still be a hazard at these distances downwind from the explosion.

Minimizing Fallout Exposure

Radioactive fallout poses a serious hazard following a nuclear blast. The explosion sucks tremendous amounts of earth, debris, and fissile fuel up into the mushroom cloud. This irradiated material condenses and falls back to earth as fallout that can cause radiation sickness, cancer, and death at high enough doses.

The safest locations for minimizing fallout exposure follow two principles:

  1. Distance – Get as far as possible from the detonation site to lower exposure to dangerous levels of radiation in the fallout.
  2. Shielding – Put as much dense material between you and fallout particles to block radiation.

Being upwind from ground zero is also important to avoid the most intense initial fallout cloud. Prevailing winds will carry higher levels of radioactivity in the downwind direction.

Underground Is Ideal

Putting the principles of distance, shielding, and wind direction together points to underground locations as the gold standard for safety from nuclear fallout. Deep underground shelters, mines, tunnels, subways, and parking garages provide almost complete protection.

The earth is an excellent radiation shield against radioactive particles. For example, being 500 feet underground reduces exposure 10,000 times compared to the surface. This allows survival even a short distance from ground zero where fallout would deliver a lethal surface dose.

Some characteristics of good underground shelters:

  • At least 300 feet underground if within 20-50 miles of ground zero.
  • Shielded from surface entry points to block gamma radiation penetration.
  • Ventilation filtration systems to filter out fallout particles.
  • Ample supplies of water, food, first aid, and other essentials.
  • Enough space for occupants to live for up to 2 weeks while fallout radiation decays to safer levels.

Well-Stocked Remote Buildings

For those unable to reach underground shelters, the next best option is a reinforced building as far as possible and upwind from the blast site. Smaller buildings with few entry points and minimal windows are preferable. Buildings constructed of dense materials like brick or concrete provide good shielding.

Ideally, these buildings should have ample stockpiles of essential supplies to allow riding out the period of most intense radiation if evacuation is not possible:

  • 2+ weeks of water, food, first aid, sanitation supplies, etc.
  • Portable radiation meter, radio, and other electronics.
  • Any needed medications and medical equipment.

Rural cabins, hunting lodges, and well-stocked farms distant from population centers could serve this purpose during a nuclear emergency.

Fleeing to Low Population Density Areas

For people unable to access proper shelters or specially prepared buildings, the strategy shifts to getting as far as possible from nuclear targets. Military bases, major cities, critical infrastructure, and other strategic assets are the most likely targets.

The goal is to reach low population density areas with few or no priority targets. Deep rural areas and certain flyover states in the central U.S. fit this criterion. This limits exposure to immediate blast damage and offers better odds of avoiding heavy fallout.

Transportation is a major consideration for this strategy. Vehicles allow covering more distance faster to get out of fallout zones. However, roads will likely be heavily congested in a panic evacuation scenario. Having a plan with back road options improves success rates.

Choosing the Right Vehicle

For people forced to evacuate by vehicle, choosing an appropriate mode of transport improves chances of survival:

  • Well-maintained vehicle – Pick a recent model vehicle in good working order to avoid breakdowns.
  • Four-wheel drive – Allows accessing uneven backroads away from congested highways.
  • Fuel efficient – Maximizes driving range from a tank of gas during a prolonged escape.
  • Passenger room – Makes bringing supplies and other people possible.

Vehicles also provide some radiation shielding if required to drive through fallout zones. The denser the vehicle, the better the protection, making trucks safer than cars. Keeping windows rolled up and ventilation off limits fallout entry. Have plastic and duct tape available to further seal any gaps.

Have An Escape Route Planned

The odds of successfully evacuating away from nuclear targets are vastly improved by planning. Identify the most likely local targets and determine multiple driving routes that lead away from them. Select small backroads that are less likely to be crowded or obstructed.

Use paper maps and GPS options that don’t require live data connections to navigate remote areas. GPS especially comes in handy if visibility is obscured by smoke and ash clouds.

Drive the planned routes in advance during different conditions. Identify refueling points, supply caches, and safe places to shelter if needed along the way.

Prepare Needed Supplies

Surviving away from prepared shelters requires having adequate supplies while on the move or sheltering in place.

Items to stockpile in advance:

  • Bottled water and long lasting food
  • First aid kit and any vital medications
  • Flashlights, batteries, radio, maps
  • Camping and hygiene supplies
  • Cash and important documents
  • Gas cans and fuel stabilizer
  • Tools, drinking water filters, plastic sheeting

Having these supplies packed in go-bags makes grabbing and going much faster if immediate evacuation is required.

When to Start Evacuating

Deciding when to start evacuating during rising nuclear tensions is critical. Waiting too long risks being caught up in congested traffic jams or being unable to outrun fast moving fallout clouds.

As an emergency scenario escalates, officials may call for voluntary or mandatory evacuations. Heeding such evacuation orders in a timely manner improves survival odds.

However, absent official orders, use common sense based on the situation. Fleeing immediately when conflict seems imminent provides the best chance to maximize distance from likely targets.

Have Backup Plans

In an unpredictable emergency, remaining flexible improves outcomes. Have backup plans in case primary options become unworkable when an event occurs.

Some examples of backup plans:

  • Multiple planned driving routes and destinations in different directions.
  • Alternative emergency shelters closer to home if distant ones become unattainable.
  • On foot evacuation routes if driving proves impossible.
  • Extra supplies cached along evacuation routes.
  • Parsimonious use of resources if the crisis proves longer lasting than expected.

Building in redundancies like these can prove life-saving when original plans fail to pan out.

Stay Informed

Situational awareness is critical during an unfolding nuclear emergency. Receiving accurate, timely information allows making the best possible decisions.

Ways to stay informed:

  • Monitor emergency alert broadcasts on a radio, TV, or phone.
  • Get updates from official government social media accounts.
  • Use a NOAA weather radio for emergency warnings.
  • Stay aware of current events through news websites and apps.
  • Maintain contact with people in other locations.

Beware of unverified individual social media posts, rumors, and speculation. Stick to confirmed reports from trustworthy official sources.

Mental Preparation Is Crucial

Surviving a nuclear emergency takes not just careful logistical preparations, but also mental resilience. The event will be extremely stressful and require quick, decisive actions.

Some tips for getting in the proper mindset include:

  • Having a survivor mentality and not giving up hope.
  • Accepting lack of control over the overall situation.
  • Focusing on the things you can control.
  • Being willing to cooperate with others.
  • Practicing relaxation and stress relief techniques.
  • Visualizing dealing effectively with complex scenarios.

Proper mental preparation provides an essential foundation for making the most of other survival efforts.


While the prospect of nuclear disaster is daunting, appropriate knowledge, preparation, and training allow increasing your odds of survival. No options provide flawless guarantees, but utilizng the principles of distance, shielding, and information makes the most of limited options. Those able to access well-stocked underground shelters in remote areas have the highest likelihood of surviving both the initial blasts and subsequent radioactive fallout. For everyone else, having robust evacuation plans, go-bags, mobility options, backup strategies, current information, and a resilient mindset offer the next best chance. With prudent efforts, more people can endure and recover from even this nightmarish scenario.