Abstract: Planed and managed by the national science and technology infrastructure and facility development program of Ministry of Science and Technology, the project of seismological data sharing applies the advanced information technology, integrates the seismological data resource and realizes the standardization of seismological data collecting, procession and storing. It is a networking and intellectualized service system for the whole society, on which scientists obtain and use the scientific data conveniently. It facilitates the development of scientific innovation, and also offers powerful support for science and technology progress, government decision-making, economy increase, social development and national security. This paper analyses the situation of seismological data resource in detail, as well as present the whole frame, technical idea, object and process of seismological data sharing project.

Key words: Seismological data sharing, Data management and service system, Main database, Data set