The purposes of the Union are defined in the statutes as follows:
- To promote the scientific study of the earth and its environment in space and to make the results of such studies available to the public.
- To promote cooperation among scientific organizations whose objectives include the furtherance of knowledge in the geophysical disciplines.
- To initiate and participate in geophysical research programs, including those that depend upon international cooperation.
- To advance the various geophysical disciplines by scientific discussion, publication and dissemination of information, and by sponsorship of scientific and technical symposia, colloquia, and meetings.