I heard about this at work - so so so incredibly sad. Japan is a beautiful country, and from my experience the people who live there are also beautiful. My thoughts and prayers go out to the Japanese people in this time of need. I will definitely be texting in to the Red Cross for a donation.
As for Worlds, I don't know what to think. Some federations might be apprehensive about sending their athletes to Japan after such a devastating situation. Yoyogi is reportedly fine, however. Maybe the WC will help in taking people's minds off of the tragedy for a bit. Also, I know many FSUers had plans to travel to Tokyo and other parts of Japan in the near future. My heart goes out to you as well. I hope you arrive safely, or if you choose to cancel your trip, that you receive some kind of compensation/airline miles.