| Abbreviation | Definition |
|---|---|
| EC | Electrical Conductivity |
| ECGS | European Center for Geodynamics and Seismology |
| EEC | East European Craton |
| EF | Edge Finder |
| EFMS | Eastern Federation of Mineralogical Societies |
| EG | Engineering Geologist |
| EGNR | Environment Geology and Natural Resources |
| EGS | European Geophysical Society |
| EI | East Indian |
| ELE | Extinction Level Event |
| ELK | Elko, Nevada, Seismograph Station code |
| ELL | Ellipsometer |
| ELL | Elmali, Turkey, Seismograph station code |
| EMSC | European-Mediterranean Seismological Centre |
| EOT | Eocene-Oligocene time |
| EOTC | Edge Of The Continent |
| EP | Extreme Pressure |
| EPBM | Earth Pressure Balance Machine |
| EPBS | Earth Pressure Balance Shield |
| EPDP | Enhanced Performance Drill Pipe |