| Abbreviation | Definition |
|---|---|
| SDMS | Seismic Data Management System |
| SDR | Special Drawing Rates |
| SEDC | Shallow Exploration Drillers Clinic |
| SEG | Society Of Exploration Geophysicists |
| SEGS | Sustainable Energy Geophysical Surveys |
| SEP | Santa Elena Peninsula |
| SF | Shallow Faulting |
| SF | South Fork |
| SFV | San Fernando Valley |
| SFZ | Seattle Fault Zone |
| SFZ | Shackleton Fracture Zone, Drake Passage |
| SFZ | Sumatra Fracture Zone |
| SGA | Society for Geology Applied |
| SGB | Southern Great Basin |
| SGEG | Specialist Group in Economic Geology |
| SGI | Scientific Geographical Interest |
| SGM | San Gabriel Mountain |
| SGP | Sedimentary Geology and Paleobiology |
| SGP | Southern Great Plains |
| SHI | Seismic Hydroacoustic Infrasound |