Japan based international-business consulting company Acima is offering emergency hotline over Skype and MSN Messenger for 24 hours in 15 languages, by using its own resource and forming volunteers from around the world.
According to ITPro [J], foreign victims in the disastrous area can chat with their staff, to ask information like near refugee center locations, soup-run info, medical info, safety information. Translation service is also provided for the victims communicating with Japanese people of local governments, refugee centers and others.
At this point (11:00 a.m. March 18, please re-check their site if you read this article later), they write that currently volunteers who can help in Chinese languages(Mandarin, Taiwanese and Cantonese).