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Topic 8 Lesson 3
| Term | Definition |
|---|---|
| Fault | A break in the Earth’s crust along which rocks move. |
| Earthquake | The shaking that results from the movement of rock beneath Earth’s surface. |
| Magnitude | The measurement of an earthquake’s strength based on seismic waves and movement along faults. |
| Tsunami | A giant wave usually caused by an earthquake beneath the ocean floor. |