1.) If you see the flash move away from the windows. They're gonna explode like grenades in a second or two. Get down behind something. Once the blast wave passes stay in cover because it's gonna come back from the other direction as the blast wave collapses in to the vacuum created by the explosion

2.) TURN OFF THE GAS. Much of the devastation in Japan was caused by out of control gas fires.

3.) Fill the tub and any containers with water ASAP.

4.) Seal up the house as much as you can. It'll keep some of the fallout outside until it settles.

5.) Cover your nose and mouth. An N95 is ideal but anything, even a rag soaked in water, is better than nothing.

6.) If you're instructed to evacuate move away from the debris plume at a right angle. If the wind is blowing all the fallout south you want to go east or west to get out from under the fallout as soon as possible.

7.) If you survive the initial blast and don't die of radiation poisoning your biggest radiation risk is going to be ingesting irradiated material. Filter all water. Avoid water from the fallout zone. Use bottled or stored water as much as possible.

8.) If you've got them take iodine tablets. This will flood your system with iodine causing your body to pass excess iodine out. This may prevent radioactive iodine from accumulating in your thyroid.

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