Someone started a LIVE thread for all the updates from Japan so we could keep track of it in one place. You might want to post your update there:
Press Release (Mar 15,2011)
Damage to the Unit 4 Nuclear Reactor Building at Fukushima Dai-ichi Nuclear Power Station
At approximately 6:00am, a loud explosion was heard from within the
power station. Afterwards, it was confirmed that the 4th floor rooftop
area of the Unit 4 Nuclear Reactor Building had sustained damage.
After usage, fuel is stored in a pool designated for spent fuel.
Plant conditions as well as potential outside radiation effects are
currently under investigation.
TEPCO, along with other involved organizations, is doing its best to
contain the situation. Simultaneously, the surrounding environment is
being kept under constant surveillance.
http://www.tepco.co.jp/en/press/corp-com/release/11031504-e.html