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Emergency & Disaster management

Case Studies

The system functioned at the time of the Great Eastern Japan Earthquake

The system functioned at the time of the Great Eastern Japan Earthquake

Observation on the Great East Japan Earthquake

Support for unexpected situation like infrastructural damages

  • Communication functionality is maintained by rearranging routes flexibly
  • Securing data integrity
Support for wide areas beyond administrative districts
  • Securing of agency services such as wide area assistance for distant staff members
  • Securing ways to communicate with wide area evacuees
Prompt and accurate understanding of whole situation
  • Central consolidation of diversified data that lies scattered in every place and organization
  • Arranging events in chronological order and grasping the situation accurately based on data
Transmission of accurate information to disaster site
  • Transmission of accurate information to the staff working on disaster site
  • Transmission of information to citizens for appropriate actions


Three features of the Great East Japan Earthquake are shown in a time scale