You need a backpack strong enough to carry a day's worth of food, water and basic medical kit.
You also need:
1: Emergency radio with cell phone charger. ( wind-up )
2: Cell phone (2 extra batteries), credit card, some cash.
3: A Filtered Mask (breather)
4: Basic medicine (aspirin, neosporin)
5: Passport & Driver license
6: Glasses & Contact lenses
7: Towels & blanket
8: Lighter (with can of fluid) and Matches
9: Survivor Knife
10: Hand wipes with antibacterial coating
11: High-protein foods, canned goods
When the earthquake happened in Japan, many people didn't get enough information right away. I called my family in Japan about the Fukushima trouble and they didn't know about it yet. Getting information on what is going on is very important.
To keep at home,
1: Can of foods, 10 gallons of water in bottles
2: Gasoline for your car
4: Candle & lighter
5: Toilet Paper ( Paper products, like diapers)
6: Extra Blanket
I might missing something, but that all I think about for now.