GNS Science
- http://www.gns.cri.nz/
- Research institute in New Zealand specializing in earth systems, seismic data acquisition and processing, laboratory analysis, environmental and natural hazards risk analysis.
GSC National Geomagnetism Program
- http://www.geolab.nrcan.gc.ca/geomag/
- Contains resources of the Geological Survey of Canada on the ever-changing magnetic field. Includes a magnetic declination calculator and compass tutorial, and a database from Canadian magnetic observatories.
MTNet
- http://www.dias.ie/mtnet/
- An international electronic forum for the free exchange of knowledge, programs and data between scientists engaged in the study of the Earth using electromagnetic methods, principally magnetotellurics.
USGS Office of Ground Water, Branch of Geophysics
- http://water.usgs.gov/ogw/bgas/
- Technical support, guidance, and applied research that fosters the appropriate use of surface and borehole geophysical methods for USGS interdisciplinary earth science investigations and the development of geophysical characterization and monitoring methods.
Vladimir Pinsky
- http://www.freewebs.com/vpinsky/
- Personal page of a senior researcher at the Seismological Division of the Geophysical Institute of Israel. Papers on seismic signals processing methods, development and application.