The earthquake was definitely an experience! Usually they only last a few seconds, this one was probably over a minute. At first we were joking that "oh shit, here comes the big one!", but when it wouldn't stop we started to go under the desks. Everything seems fine otherwise.
The biggest problem is that all of the Tokyo train lines are shut down, which means you're more or less stranded if you don't live near your place of work. I have no choice but to camp out in the office along with the others who can't get back. Bloody nusiance, hopefully they'll be active by tomorrow morning. Not so bad though, I've heard that some places don't have electricity.
I am kind of concerned about what I'll find tomorrow, though. My TV isn't exactly secure on the stand, and my PS2 is right next to it so it'll be crushed if it happened to fall.
Also, cell phones don't seem to be working well. I can access the net and send mail, but calling is impossible. Long lines of people waiting for the pay phones.