Seismic hazard, earthquake databases, engineering reports, etc.
- Pacific Earthquake Engineering Research (PEER)
- United States Geological Survey (USGS)
- Advanced National Seismic System (ANSS)
- California Geological Survey (CGS)
- Combined Strong Motion Data Center (CESMD)
- Consortium of Organizations for Strong-Motion Observation Systems (COSMOS)
- Earthquake Engineering Research Institute (EERI)
- Southern California Earthquake Center (SCEC)
- OpenSHA
- National Geophysical Data Center (NGDC)
- Natural Hazards (NOAA)
- California Integrated Seismic Network (CISN)
- Southern California Seismic Network (SCSN)
- National Information Service for Earthquake Engineering (NISEE, UC Berkeley)
- Seismological Laboratory at CalTech