EARTHQUAKE

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Across
  1. 6. big chunks of earth
  2. 7. the origin place of and earthquake
  3. 9. not active
  4. 12. plate boundaries that move away from each other
Down
  1. 1. plate boundaries that move towards each other
  2. 2. earthquake waves
  3. 3. a small earthquake
  4. 4. where the earthquake is most powerful
  5. 5. sudden violent movement
  6. 8. a violent shaking of the ground
  7. 10. a machine that tells how powerful an earthquake is
  8. 11. a sudden movement of materials within the earth