- National Earthquake Hazards Program Natural Resources Canada.
- Earthquake Information Network is sponsored by a consortium of state and national organizations in the United States that disseminate earthquake-related information and provides links to authoritative Internet resources about earthquakes and the issues surrounding them.
- National Earthquake Information Center from United States Geological Survey
- Earthquake Hazards Program from United States Geological Survey
- World Data Center for Seismology from the National Geophysical Data Center
- Seismo-surfing the InterNet Compiled by the University of Washington's Geophysics Department.
- Seismology Yahoo's Seismology subject directory under Earth Sciences