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