The Directorate for Civil Protection (DSB) has created the web site sikkerhverdag.no. Here you will always find updated advices on self-preparedness for emergencies in English.
Advice on self-preparedness for emergencies
Think about what crises and accidents could affect you at home and prepare for them to the best of your ability. If there is no power or you are cut off by the weather, you should be equipped to fend for yourself for at least 72 hours.