What immediate challenges face Japan because of earthquakes and tsunami?

Question:

Like recovering buildings and stuff?
can you plz list 5 or so?

Answer:

Ok~I'll play!
1. The ongoing after-shocks (450 in 5 days)
2. The ongoing rolling blackouts (forced outage) will go on till end of April
3. The ongoing fear of radiation contamination

4. The continual search and rescue (found a baby recently) so the search continues
5. Getting food, water and heat to the 1,000's in need

There are 20 other challenges but you asked for 5.