Finland has a national 72 hour Preparedness Day February 7th and with a good reason.

Every home should have supplies to last for 72 hours in case of a major disaster.

 A home should have at least :

Easy to make all family food

Water

Pet food

Battery powered radio/ batteries

Flashlight/batteries

Other power source to recharge phone

Camping stove/ matches/ gas

Cash

Medication

Potassium iodide pills

First aid kit

Fire extinguisher, 

And good luck !