The tsunami & earthquake that have struck Japan have affected the communication sector. Mobile phone networks have been jammed & people are finding it difficult to communicate. Twitter, Facebook, Skype & local Japanese social networks have come in handy for people to communicate & keep in touch with the loved ones. Social media has been playing a crcial role in times of natural disasters. In Haiti earthquake also, twitter was used to keep in touch with the world. Several people have posted on their FB wall about their experiences during the quake. The japan Tsunami related topics have been trending in Twitter. Several videos have also been posted in Youtube.