Cracked plates

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Across
  1. 2. Crash together.
  2. 3. Glancing blow or criticism.
  3. 4. Earthquake's size measure.
  4. 7. Repeated decorative design.
  5. 9. Coming together.
  6. 11. Defined limits or borders.
  7. 12. Earth's crustal segment.
  8. 13. Family member or comparative term.
Down
  1. 1. Moving apart.
  2. 5. Change in form or nature.
  3. 6. Scientific educated guess.
  4. 8. Ground-shaking seismic events.
  5. 10. A grid of data.