What to do in the first 10 minutes

What to Do in the First 10 Minutes After a Nuclear Explosion: Life-Saving Moves You Need to Know

As global tensions rise and the unthinkable feels slightly more possible, experts are urging the public to revisit a chilling question: What should you do if a nuclear bomb goes off nearby?

It’s a scenario no one wants to face — but one that could save your life if you’re prepared. According to disaster preparedness experts, the decisions you make in the first ten minutes after a nuclear blast are absolutely critical. They could mean the difference between survival and devastating radiation exposure.

Why Every Second Counts

A nuclear detonation unleashes unimaginable heat, pressure, and radiation in an instant. But if you’re far enough to survive the initial blast, you’re not out of danger — fallout is next.

Radioactive fallout, made up of debris pulled into the mushroom cloud and then scattered back to earth, can begin falling just 10 to 20 minutes after the explosion. That tiny window of time is your best shot to take cover.

What Experts Urge You to Do Immediately

If you see a blinding flash or feel a wave of pressure, act fast — not out of panic, but purpose. Here’s how to increase your chances of survival:

1. Get Inside — Fast

Drop what you’re doing and seek shelter immediately. Don’t wait for news. Don’t check the sky. Go.

  • Look for the sturdiest structure you can reach — ideally concrete or brick.
  • Underground areas like basements or subways offer the best protection.
  • Cars and wooden structures won’t shield you from radiation.

2. Put Distance Between You and the Outside

Once inside, go to the lowest level or the most central part of the building. Every wall or floor between you and the fallout cloud can dramatically reduce exposure.

  • Avoid windows, outer walls, and rooftops.
  • Do not gather in stairwells or entryways.

3. Decontaminate If You Were Outside

Fallout sticks to skin, clothes, and hair. If you were exposed outdoors:

  • Remove your outer clothing layer carefully and seal it in a bag.
  • Wash exposed skin with soap and water — but avoid conditioner, which can trap radioactive particles in your hair.
  • Gently clean open wounds.

4. Stay Put and Stay Informed

Do not go back outside. Fallout is most dangerous in the first few hours after detonation. Stay sheltered for at least 24 hours, or until officials say it’s safe.

  • Use your phone or a battery-powered radio to get updates.
  • Conserve power — communication may be limited.

A True Story of Survival

In 1945, just 170 meters from ground zero in Hiroshima, Eizo Nomura survived the atomic bomb by sheer luck — he was in the basement of a concrete building when the blast hit. Though the structure above him was obliterated, his shelter spared his life. He lived to age 84.

His story proves that survival is possible — but only with the right protection, at the right time.

Final Words: Prepare Now, Not Later

No one wants to believe it could happen. But if it does, the first 10 minutes after a nuclear blast are your best — and possibly only — chance to stay alive.

Get inside. Stay inside. Stay informed.

In a world of rising uncertainty, knowing how to respond isn’t fearmongering — it’s smart, proactive, and potentially life-saving.