Earthquakes crosswords puzzle

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