I'm only placing the important info here. One thing not mentioned is the need for a bug out bag. In it, put any medications that you take, medical supplies, a change of clothes-shoes, a tarp & rope, some food and water. Perhaps a filter for water if you're going to travel.

~NightSky

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By Aria Bendix, Morgan McFall-Johnsen, and Adam Barnes

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If Russia launched a weapon from international waters just off the East Coast, people in cities like New York, Boston, and Washington, DC, might have just 5 to 10 minutes to prepare.

What to do after a nuclear attack

The minutes to hours after a nuclear blast are a critical window. The potential for radiation exposure decreases 55% an hour after an explosion and 80% after 24 hours, according to the Johns Hopkins Center for Health Security.

Immediate actions during those first few hours, like covering your eyes or hunkering down in an indoor shelter, could mitigate your risk of death or serious injury. Here's how to protect yourself in a worst-case scenario.

First 30 minutes: Avert your eyes and shield your face

The best course of action is simply to avert your eyes. When a nuclear bomb strikes, it sets off a flash of light and a giant orange fireball. A 1-megaton bomb (about 80 times larger than the "Little Boy" atomic bomb dropped on Hiroshima, Japan) could temporarily blind people up to 13 miles away on a clear day and up to 53 miles away on a clear night.

The Centers for Disease Control and Prevention also recommends dropping to the ground with your face down and your hands tucked under your body to protect from flying debris or sweltering heat that could burn your skin. If you have a scarf or handkerchief, cover your nose and mouth.

However, make sure to keep your mouth open, so your eardrums don't burst from pressure. Research also suggests that if you're in an above-ground building, avoid narrow hallways and doorways, which can act like a wind tunnel, accelerating the detonation's shockwaves to dangerous, bone-crushing pressures. Instead, seek shelter along walls in large, open spaces and avoid rooms with windows, if you can.

First 45 minutes: Seek shelter indoors away from windows

Survivors of a nuclear attack would have about 15 minutes before sandlike radioactive particles, known as nuclear fallout, reached the ground. Exposure to fallout can result in radiation poisoning, which can damage the body's cells and prove fatal. DO NOT GO OUTSIDE! If You are outside, this is the time to get underground.

People should ideally look for shelter in the opposite direction of fallen buildings.

"You'd want to go in the direction away from the wind," Redlener said, adding: "Get as far away as you can in the next 8 to 15 minutes, and then immediately seek shelter before the radiation cloud descends."

The best shelters are buildings like schools or offices with few to no windows and a basement for camping out. If there aren't sturdy buildings nearby, it's still better to be indoors than outside.

If you take cover in a multistory building, choose a central location and steer clear of the top and bottom floors. If the building has windows, stand in the center of a room. Shock waves can shatter windows up to 10 miles away from an explosion, resulting in flying glass that could injure people nearby.

First 24 hours: Rinse off in the shower and stay inside

Doctors can often treat radiation damage with substances such as potassium iodide, though "there are certain dose levels that you can't do anything about," Kathryn Higley, a professor of nuclear science at Oregon State University, previously told Insider.

However, in a disaster scenario, there may not be enough physicians or hospital beds to care for everyone.

"There are not enough empty burn beds in all of the United States to deal with even a single nuclear attack on one city in the US," Tara Drozdenko, the director of the Union of Concerned Scientists' Global Security Program, previously told Insider.

People who were outside during an explosion should shower as soon as possible, making sure the water is warm and soap is applied gently. Scrubbing too hard could break your skin, which acts as a natural protective barrier. You should also cover any cuts or abrasions while rinsing off. Complete these same steps for pets, too.

Don't use conditioner, body lotion, or face cream after exposure to a nuclear blast, since these products can bind to radioactive particles and trap them in your skin and hair.

The CDC also recommends sealing outer layers of clothing in a plastic bag, along with any tissues or cloths used to wipe your body or face.

It's safe to consume food from sealed containers such as packages, bottles, or cans, according to the CDC. You can also eat items from your pantry or refrigerator, as long as you wipe off containers, cookware, counters, and utensils. But anything left uncovered, such as fruits or veggies from a garden, would be unsafe to eat.

Unless you're told to go outside, it's best to stay put until the risk of contamination has gone down. The US Department of Health and Human Services recommends staying indoors for at least 24 hours after a nuclear explosion.
First 7 days: Listen to the radio or television for next steps
Access ramp to a nuclear fallout shelter in Berlin.
If you go outside within the first week after a nuclear explosion, make sure to cover your mouth and any open wounds to help reduce your exposure to the radioactive fallout that'll be raining from the sky. JOHN MACDOUGALL / Contributor / Getty Images

The World Health Organization recommends listening to the local radio for information and advice on next steps. Your cell phone, television, and internet probably won't work, but battery-powered and hand-crank radios should.

Over the radio, authorities may advise you to stay put or issue an evacuation to a safer area. This is where you'll also likely learn about available medical aid, if you or someone with you, is sick.

If you venture outside, know that nuclear fallout will be raining from the sky. Most fallout from a nuclear blast takes about a week to return to the ground.

To reduce exposure, cover your mouth and nose with a damp cloth when you go outside and make sure you don't have any exposed open wounds. Also, avoid any food that's directly exposed to open air like fresh produce or open water supplies.

Ultimately, the best thing you can do is remain indoors for the first week while the majority of nuclear fallout settles back down to the ground. After that, remove yourself as far as possible from the drop zone.