The Regional Earthquake Likelihood Models (RELM) working group for the development of earthquake modeling is supported by the Southern California Earthquake Center and the United States Geological Survey. It was tasked with developing a variety of alternative forecast models for California, testing these models against geophysical data, and evaluating their seismic hazard implications. The results ... Full description.

The Southern California Integrated GPS Network (SCIGN), which operates a network of 250 continuously-operating Global Positioning System (GPS) stations, provides access to a variety of high-level GPS data products, including position time series, crustal motion models, and strain rate maps. Registration and log-in are required. Full description.

This portal provides links to a wide selection of websites related to Global Positioning Systems (GPS) and Global Navigation Satellite Systems (GNSS) technology. Full description.

This portal provides links to online resources for land surveying and geomatics. Full description.

The International Association of Geodesy (IAG), one of seven associations within the International Union of Geodesy and Geophysics (IUGG), provides links to publications, meeting announcements, training, membership, and news articles. Full description.

The Pacific Northwest Geodetic Array (PANGA), an organization devoted to the study of earthquakes and crustal deformation along the Cascadia subduction zone, provides information on the organization's facilities, personnel, and research projects, as well as links to datasets on earthquakes and crustal motion. Full description.

MarineBio.org is an evolving online tribute to all ocean life, marine biology, and marine conservation. Find out about fascinating marine species, get involved in ocean conservation, explore dynamic research and daily marine life news. This comprehensive site contains a wealth of information including species profiles, links to research journals, ocean fact sheets, information on marine science education ... Full description.

Provides and organizes internet resources to support, enhance and extend effective environmental education. Educators can find links to lesson plans, professional development, software, distance education, and more. Students can access pages concerning most environmental disciplines, higher education, special programs, including summer opportunities, and competitions. Job and grant opportunities information ... Full description.

Visitors to this non-profit site can access introductory information about wind turbines and the generation of electricity by wind power. For kids, there is an interactive tour of a wind turbine. For older learners, there is a tutorial that covers all aspects of wind energy. The site is available in several languages, including French and Spanish. Full description.

Visitors to this site can access a variety of materials on astronomy and stargazing. Topics include stargazing tips, a monthly almanac, audio broadcasts, and links to news articles, books, and images. Full description.