SAR Interferometry $ ^{1} $ (InSAR) and level surveys, the mechanisms of earthquakes and volcanic eruptions are analyzed and research is being carried out for increasing observation and analysis accuracy. Additionally, through analyzing data obtained from airborne laser survey and high-resolution satellite's observation by using GIS, research and technology development contributing to reducing natural disasters caused by landform changes. Moreover, all data/information on earthquake prediction is exchanged with related administration institutes and universities. The Coastal Movements Data Center (CMDC) is being operated for collecting and consolidating the tide level record observed by the Earthquake Prediction Communications Council, the ministries and government offices, and public organizations, which perform the review and monitor the diastrophism respectively.

## (6) Enhancing existing stock management through ICT introduction

Through the construction of the optical fiber network, the enhancement of public facility management and risk management is being worked out by utilizing ICT $ ^{2} $ . To be specific, management enhancement through continuous monitoring of road slopes by utilizing optical fibers and measures for using the road safely by providing disaster prevention information via the Internet are being carried out. In addition, other than the remote operation of managing water gates and drainage pump stations, and the remote monitoring of stream conditions and volcano districts, management

enhancement including remote monitoring and operations is worked out by linking sewage processing facilities and pump facilities with optical fibers. Moreover, the development of optical fiber networks and CCTV is being worked out for grasping the coastal situations. At the same time as providing safety information to coast administrators in the early stage, facilities (e.g. water gates) are operated quickly and unitarily, and disaster prevention stations for tsunamis and tidal waves are developed in order to prevent damages caused by tsunamis and tidal waves. (As of the end of 2008, eight regions were in service.)

## (7) Recovery of public civil facilities after disasters

In 2009, damages happened in 10,610 spots nationally and about 1,227 billion yen of MLIT administered facilities was lost. Concerning the damages to roads, rivers, ports and sewerage caused by these disasters, the Technical Emergency Control Force (TEC-FORCE) was dispatched to spots immediately after disasters happened. While providing technical support for recovery, resuscitation and disaster reoccurrence, the time taken is made as short as possible even for project adoption and best efforts are put into the quick recovery of disaster area.

Furthermore, in order to ensure the safety and security of local people, projects were implemented for urgently preventing disaster reoccurrence in disaster areas that were damaged by natural phenomena, including heavy rain and typhoons, through the execution of urgent project promotion expenses for disaster measures.

### 3. Ensure a strong traffic system against disasters

## (1) Ensure multiplicity and availability of alternatives

Where there is large-scale disaster, at the same time as working out how to secure the safety and transport functionality of users as well as to minimize the effects on national transportation activities, the development of a strong traffic system against disaster is being pushed forward in order to transport the sufferer, personnel, sick and wounded people, and emergency materials. Moreover, transportation business operators and facility administrators are also cooperating and endeavoring to enhance emergency transportation networks in order to secure quick and accurate emergency and alternative transportation during disaster.