American Geophysical Union http://www.agu.org/
AGU is an international scientific society of 35,000+ members. Research includes the Earth, oceans, atmosphere, space, and planets. AGU is dedicated to advancing the understanding of the Earth and its environment in space, and making the results available to the public through scholarly publications, meetings (Spring & Fall), and the Internet.
Cascadia Region Earthquake Workgroup http://www.crew.org/
Not-for-profit coalition of private and public representatives working together to improve the ability of Cascadia Region communities to reduce the effects of earthquake events.
European Seismological Commission http://www.esc.bgs.ac.uk/
The ESC is a commission of IASPEI, which is associated to IUGG and its aim is to promote seismological studies and projects in Europe, countries bordering the Mediterranean and immediate neighbours; an area from the Mid-Atlantic Ridge to the Urals and the Arctic ocean to northern Africa.
Monash University Exploration Geophysics http://www.geophysics.monash.edu.au/
Describes geophysical research programs and course content at Monash University in Australia. Provides a summary of geophysical methods for exploration, geotechnical, groundwater, and environmental surveys. Provides links for commercial services and the National Geoscience Teaching Network (NGTN).