Earthquakes

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Across
  1. 6. pressure raises this in solids
  2. 7. central layer of the earth
  3. 9. these 7 landmasses have changed over time
  4. 11. apple skin of earth
  5. 13. underground focus center
  6. 14. main cause of earthquakes
  7. 16. 2200 km
  8. 17. place in which there was a 9.5 in 1960
  9. 18. Earth's landmasses rest on these
  10. 20. the part of the earth that has the highest temp.
  11. 21. the focus
Down
  1. 1. a paper that records earthquakes
  2. 2. place in which there was a 9.0 in 2011
  3. 3. a "p" word that means strength
  4. 4. active boundaries
  5. 5. an instrument that measures earthquakes
  6. 6. 84% of the earth
  7. 8. place where earthquake starts
  8. 10. that are more destructive than seismic waves
  9. 12. place on surface directly
  10. 15. a device that measures potency
  11. 19. city most likely to experience an earthquake