| Focus | The orgin of earthquake movement within the Earth. |
| Epicenter | The point on the surface of the Earth directly above an earthquake's focus. |
| Seismograph | A device that records Earth Movement |
| Escarpment | A cliff created by a raised fault block along a fault boundary, also known as a fault scarp. |
| Isostacy | The "floating" of the crust on the denser but slightly fluid mantle materials which may explain crustal warping. |
| Syncline | Upward bends in folded crustal materials |
| Anticline | Downward bends in folded crustal materials |
| Graben | A block of Earth material moved downward between two faults |
| Horst | A block of Earth material moved upward between two faults |