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Earthquakes
| Term | Definition |
|---|---|
| Earthquake | A series of seismic waves caused when plates collide. |
| Fault line | A crack in the earths surface. |
| Focus | The within the crust where the rock breaks and the earthquakes begin |
| Epicentre | The surface above the focus |
| Seismograph | Used to measure shocks caused by earthquakes |
| Richter Scale | Used to measure earthquakes strength |
| Aftershocks | Smaller tremors sent out after an earthquake |