Across
- 1. people who studies seism
- 3. the San Andrea’s one is the most famous
- 6. synonym of seism
- 7. powerful vibrations produced by a seism
- 9. they make the mantle move
- 11. plates, large pieces on the Earth’s surface that move several centimeters per year
- 14. movement of rapproachement of two tectonic plates
- 15. gigantic wave formed when a seism occurs in the sea
- 16. released during a seism when rocks break suddenly
- 17. measurement of the strength of a seism
- 18. upper layer of the Earth
- 19. movement of plates that move away from one another
- 21. vibrations following an earthquake
- 22. point at which the seism originates
Down
- 2. verb that desribes the movement of two plates when they face one another
- 4. synonym of earthquake
- 5. movement of plates that sink below another
- 8. land relief due to collision between two plates
- 10. middle layer of the Earth made of rocks that form a type of solid paste
- 12. point on the Earth’s surface directly vertically above the hypocentre
- 13. new earthquakes after a seism
- 14. the centre of the Earth
- 20. our planet
