| americahurrah.com | 1906 San Francisco Earthquake |
| umn.edu | MAST Laboratory, University of Minnesota |
| wspc.com.sg | Out-of-Plane Seismic Resistance of Masonry Walls |
| usgs.gov | National Strong-Motion Program (NSMP) |
| iaee.or.jp | International Association for Earthquake Engineering (IAEE) |
| nd.edu | Progress and Challenges in Performance-Based Earthquake Engineering |
| ca.gov | Seismic Hazards Evaluation & Zoning (CA) |
| shaw.ca | Seismic Isolation of Buildings |
| army.mil | Earthquake Engineering and Geosciences Division, Army Corps of Engineers |
| ca.gov | Strong Motion Data Center |
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