I quote from someone living there :

My family and all relatives are OK.
All public transportation systems in Tokyo are not working.
The earthquake recorded Magnitude 8.8 which is the strongest in Japanese history.
Severe damages due to earthquake and TSUNAMI in TOHOKU area are reported
and many nuclear generators are automatically shutdown.
At this writing 23 dead is reported.
Japan situation is becoming much worse than Libya,due to this quake
in addition to political instability and worsening economy.