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Restoration Status for Damage Caused by the Great East Japan Earthquake and Future Responses

Restoration Status

In response to the effects from the Great East Japan Earthquake, NTT Group worked on recovery efforts with a force of over 10,000 support staff from all over the country. As of the end of April, restoration of the exchange offices and mobile communications base stations in customer residential areas was virtually complete. For areas where it is still difficult for customers to return, NTT Group is aiming to carry out restoration efforts in line with the pace of restoration of roads and other infrastructure.

• *1 Nuclear power plant area, etc.
• *2 Non-passable roads and other areas where construction is difficult
• *3 Outside island evacuation area

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Damage and Financial Impact

Because of both the destruction and flooding from the massive earthquake and tsunami and the widespread long-term blackouts and scheduled power outages, this disaster had an unprecedentedly large impact on telecommunications facilities.

• *1 Profit/loss includes costs for building temporary facilities for emergency restoration, personnel costs for restoration support, transportation costs, etc
• *2 Capital investments includes facility construction costs for full-scale restoration

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Restoration Initiatives (Nuclear Power Plant Area)

In order to restore six exchange offices with interrupted services covering an area within a 20-30km radius of the Fukushima Daiichi Nuclear Power Plant, NTT East and others worked on restoring the Iwaki-Tomioka exchange office, which is the parent exchange office for the six exchange offices, located approximately 10km from the Fukushima Daiichi Nuclear Power Plant.
NTT DOCOMO also set up satellite mobile communications base station vehicles in J-Village, where workers working to restore the Fukushima Daiichi Nuclear Power Plant are residing, and installed high performance antennas that emitted radio waves towards the vicinity of the power plant, among other area efforts.
Workers carried out restoration work accompanied by radiation technologists while wearing protective clothing.

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Support for those affected by the disaster

NTT Group provided a Disaster Emergency Message Dial Service and Disaster Emergency Broadband message board service, lent out satellite mobile phones (approx. 900 units) for free, and deployed mobile communications base station vehicles (approx. 30), and special public phones (approx. 3,600 units), among other things, to support victims of the earthquake. Further, in addition to the status of service restoration and restoration schedule, NTT DOCOMO provided on its website a “restoration area map,” by which people could confirm locations where free satellite mobile phones and free charging services were available.

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Future actions in light of damage from the Great East Japan Earthquake

In the Great East Japan Earthquake, telecommunications facilities were impacted in unprecedented ways and the increased variety of means for information exchange was remarkable. NTT Group was reminded of the social importance of communications services, and going forward, will move ahead with the following considerations, which are being carried out in collaboration with the national and local governments.

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