Western and northern segments of Pacific Crossing-1 cable remain out of service. Pacific Crossing is a 21,000-kilometer fiber-optic ring that lands at two sites on U.S. west coast and two on Japan’s east coast. Analyst: Most of the country’s cable landing stations are south of Tokyo, and networks located there don’t appear to have been affected. Hong Kong broadband provider PCCW said trans-Pacific Internet speed had been slashed in the wake of the disaster.”]
Source: https://www.csoonline.com/article/2127769/quake-damage-to-japan-cables-greater-than-thought.html