| Abbreviation | Definition |
|---|---|
| RZT | Renbu Zedong Thrust |
| SA | Southern Andes |
| SAF | San Andreas Fault |
| SAGT | Sheffield Area Geology Trust |
| SAN | Styrene Acrylonitrile |
| SAPB | Southern Alps Plate Boundary |
| SAPS | Seismological Acquisition And Processing System |
| SARB | San Antonio River Basin |
| SASSA | Soil Analysis Support System for Archaeology |
| SC | Saratoga Champlain |
| SCA | Sun-Colored Amethyst |
| SCB | Santa Clara Basin |
| SCC | Sodor China Clay |
| SCD | Silver Creek Division |
| SCEC | Southern California Earthquake Center |
| SCPT | Seismic Cone Penetration Testing |
| SDAT | Seismic Data Access Technology |
| SDFH | Surface Displacement Fault Hazard |
| SDM | Spatial Data Modelling |
| SDMB | Salt Dome- MiniBasin province |