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Earthquake is recognized as a great a natural disaster to mankind. The data released by Ministry of Civil Affairs is shown earthquakes had caused tremendous damages to China's economic and social developments. It is becoming a more and more important impact factor to public safety. The research on seismic emergency is one of the substantial areas in emergency management. At present, China's governments at all levels have established a number of emergency response agencies, and have developed emergency systems associated with them. Unfortunately, earthquakes are significantly different from other disasters, they occurred suddenly and the lack of information would cause highly uncertain incidents. Emergency response agencies and the systems can play an important role in recovery and rebuilding phase, but they have some limitation to the rescue of 72-hour gold time and high real-time processing. This paper proposes an organizational structure of seismic emergency agencies emphasizing on the rescue of 72-hour gold time, and the support system related to them, to reduce casualties and losses caused by earthquakes to the minimum and promote the efficiency of rescue. [ABSTRACT FROM PUBLISHER]

China is an earthquake-prone country, and it is also one of the most serious earthquake disaster countries in the world. Establishment and improvement of earthquake disaster mitigation systems, integrating existing earthquake information and avoiding islands of information, has great significance to reduce the adverse impact on the country and the people. A more complete architecture of the earthquake disaster mitigation system based on computer and system engineering is put forward in this paper, considering the data flow in the work of earthquake disaster reduction. The architecture includes four levels: data collection level, data processing level, data application level and data presentation level. At the same time this paper describes the system design principles, organizational framework, functions. Finally the paper summarizes some problems which need pay more attention and focus on in the system building process. [ABSTRACT FROM PUBLISHER]