Submarine Communications Cable - Notable Events

Notable Events

The Newfoundland earthquake of 1929 broke a series of trans-Atlantic cables by triggering a massive undersea mudslide. The sequence of breaks helped scientists chart the progress of the mudslide.

In July 2005, a portion of the SEA-ME-WE 3 submarine cable located 35 kilometres (22 mi) south of Karachi that provided Pakistan's major outer communications became defective, disrupting almost all of Pakistan's communications with the rest of the world, and affecting approximately 10 million Internet users.

The 2006 Hengchun earthquake on December 26, 2006 rendered numerous cables between Taiwan and Philippines inoperable.

In March, 2007, pirates stole an 11-kilometre (7 mi) section of the T-V-H submarine cable that connected Thailand, Vietnam, and Hong Kong, affecting Vietnam's Internet users with far slower speeds. The thieves attempted to sell the 100 tons of cable as scrap.

The 2008 submarine cable disruption was a series of cable outages, two of the three Suez Canal cables, two disruptions in the Persian Gulf, and one in Malaysia. It caused massive communications disruptions to India and the Middle East.

In April 2010, the undersea cable SEA-ME-WE 4 was under an outage the South East Asia–Middle East–Western Europe 4 (SEA-ME-WE 4) submarine communications cable system, which connects South East Asia and Europe, was reportedly cut in three places, off Palermo, Italy.

The 2011 Tōhoku earthquake and tsunami damaged a number of undersea cables that make landings in Japan, including:

  • APCN-2, an intra-Asian cable that forms a ring linking China, Hong Kong, Japan, the Republic of Korea, Malaysia, the Philippines, Singapore and Taiwan.
  • Pacific Crossing West and Pacific Crossing North
  • Segments of the East Asia Crossing network (reported by PacNet)
  • A segment of the Japan-U.S. Cable Network (reported by Korea Telecom)
  • PC-1 submarine cable system (reported by NTT)

In February 2012, breaks in the EASSy and TEAMS cables disconnected about half of the networks in Kenya and Uganda from the global Internet.

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