| Abbreviation | Definition |
|---|---|
| GDRD | Geographical Date Range Data |
| GED | Global Element Distribution |
| GEE | Global Earthquake Explorer |
| GEEA | Geochemistry: Exploration, Environment, Analysis |
| GEM | Geologically Enhanced Platform |
| GEM | Global Earthquake Model |
| GEO | Geotechnical Engineering Office |
| GEODAS | Geophysical Data System |
| GEOLOGY | General Earth Or Lithology Of Great Yarmouth |
| GEOS | General Earthquake Observation System |
| GERG | Geochemical and Environmental Research Group |
| GERM | Geochemical Earth Reference Model |
| GESG | Grupo Ecologico Sierra Gorda |
| GESI | Global Earthquake Safety Initiative |
| GFDL | Geophysical Fluid Dynamics Laboratory |
| GG | Golden Gate |
| GG | Gorgonian Grotto |
| GGES | Gravity Gradient Earth Sensor |
| GGR | Geology Geophysics Reservoir |
| GIC | Geocarto International Centre |