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Earthquakes
| Term | Definition |
|---|---|
| An earthquake is | A sudden movement or trembling of the Earth's crust |
| Earthquakes occur at | Boundaries where plates collide |
| The plates move along | The fault line |
| Tremors can be detected by a | Seismometer or seismograph |
| The Richter Scale is used to | Describe the strength or force of an earthquake |
| Aftershocks last | Rarely more than one minute |
| A tsunami is | A huge wave that is caused by an underwater earthquake |