Not only Japan cables out - TATA. too
Last weekend there was a little 'bump' (earthquake) off south VietNam and, concurrently, the TATA cable was damaged. This cable has terminal connections in the USA mainland, Hawaii, Guam, Philippines, Hong Kong, Malaysia, Singapore, Thailand, Brunei and a spur to VietNam.
It is used for traffic pointed eastbound where users in Europe want to avoid the London & Atlantic routings.
They hope to figure out exactly where the damage is and have a cable ship out there next week - if the Japanese damage doesn't take priority.
In VietNam ISP's FPT Telecom, Viettel Telecom and VDC are affected. VNPT, the government telecom's operator, is fine as it uses a high speed link from Ha Noi through HongKong and connects directly with the U.S.A.