| army.mil | Earthquake Engineering and Geosciences Division, Army Corps of Engineers |
| scec.org | Southern California Earthquake Center (SCEC) |
| usgs.gov | National Strong-Motion Program (NSMP) |
| caltech.edu | The George Housner Earthquake Engineering Collection |
| nist.gov | Earthquake Engineering Projects Summaries (NIST) |
| berkeley.edu | Pacific Earthquake Engineering Research (PEER) Center |
| buffalo.edu | The Multidisciplinary Center for Earthquake Engineering Research |
| usgs.gov | Usgs (u.S. Geological Survey) |
| usgs.gov | Usgs Earthquake Hazards Program-northern California |
| umn.edu | MAST Laboratory, University of Minnesota |
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