Across
- 2. A large, destructive ocean wave caused by an underwater earthquake
- 3. A type of mountain that can erupt and produce lava
- 5. An instrument for detecting and measuring earthquakes
- 8. Two plates moving towards each other
- 11. When the surface of the Earth shakes
- 13. Surface layer of the Earth.
Down
- 1. Two plates moving away from each other.
- 4. central part of the Earth.
- 6. A large section of the Earth's crust
- 7. Two plates sliding against each other
- 9. Second layer of the Earth from the center.
- 10. one plate is pushed under another
- 12. Third layer of the Earth from the center