Useful external links
- American Association of Petroleum Geologists
Bookstore, education, discussion group, searchable database of geologists and students, meetings, links
- American Geological Institute
Useful links to key US geological organizations, news, the Georef Database, geological links.
- American Geophysical Union
The umbrella organization for US geophysicists - details of meetings, publications, research, education, links etc.
- The Astrobiology Web.
A commercial site but probably the most up-to-date and comprehensive source of astrobiology links and news.
- British Antarctic Survey
- British Geological Survey Products and Services
Search online databases such as the Igneous Rock Classification and the Lexicon of Named Rock Units
- The European Geophysical Society
The EGS publishes a range of on-line journals, not all strictly geophysical.
- The Geologists Association
Information, support and education for the UK's community of amateur and professional geologists. See 'Rockwatch' for school children, the GA's Field Guides, Geology Today. Links to other UK sites, etc
- Geological Association of Canada
Good starting point for Canadian Geology sites, including links to universities.
- The Geological Society
of London maintains a well-organized and regularly updated list of web links, with editorial comment.
- Geological Society of America
'The professional resource for earth scientists'. Employment, on-line bookstore, meetings , education etc.
- The Geological Society of Australia
Australian meetings, special interest groups, links.
- GSA's Structural Geology and Tectonics Division
- International Association of Seismology and Physics of the Earth's Interior
Hosts a very comlete list of national seismic organizations
- International Heliophysical Year 2007
On the fiftieth anniversary of the International Geophysical Year (IGY) an international program of scientific collaboration will be conducted, focusing on fundamental global questions of Earth and space science.
- International Seismological Center
Collects and analyses earthquake data from around the world.
- International Union of Geological Sciences
The IUGS supports and fosters international research and collaborative geoscience projects. News, meetings, publications, reports of IUGS scientific bodies etc.
- NASA's Astrobiology Institute.
Details of exobiological and geobiological research, educational material and much more.
- NASA's Earth Observatory
A superb site with weekly updates of satellite images showing global geohazards - dust storms, volcanic eruptions, algal blooms, floods, fires. Also anthropogenic features such as forest clearance in Amazonia.
- National Soil Resources Institute
Soil maps, reports, bulletins, databases.
- The Natural History Museum's Department of Mineralogy
Learn about the Museums' reseach activities, collections, publications, etc.
- Planetary Centre
Very comprehensive list of Planetary Science Related Sites from University College London.
- Planetary Sciences at the NSSDC (National Space Science Data Centre)
The site to visit for planatery photo archives
- Seismological Society of America
Some good earthquake links
- Smithsonian's Department of Mineral Science
Check out the meteorite image gallery.
- Smithsonian's Global Volcanism program
Has catalogue of all volcanoes active durign the Holocene, with clickable map.
- United States Geological Survey.
A huge but well-signposted site.
- US Dept of Commerce/NOAA/National Geophysical Data Center
Lots of educational resources for school and college instructors.
- USGS's volcano site
Weekly reports on volcanic activity worldwide.