Across
- 3. a smaller earthquake after an earthquake
- 8. a quivering movement
- 9. a instrument to measure earthquakes
- 12. an earthquake
- 13. curve or angle
- 14. shake or tremble
- 15. vibration of earth's crust
- 16. vertically above and earthquake
- 17. something that went wrong
- 18. tending to be different
Down
- 1. coming closer together
- 2. a shape of solid rock
- 4. center of an activity
- 5. a vibration
- 6. a sudden violent shaking on the ground
- 7. tremble or vibrate
- 10. pressure or tension
- 11. hard outer layer
- 12. a structure of earth
- 19. a long high sea wave caused by an earthquake