Volcanoes/earthquake boundries

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Across
  1. 4. heated water that shoots up in the air
  2. 8. biggest earthquake
  3. 9. scale how are earthquakes measured
  4. 12. volcanic material is called this underground
  5. 13. a opening in the crust that releases lava
  6. 14. spot directly above earths surface
  7. 16. volcano volcano that wont erupt
  8. 18. where magma escapes
  9. 19. a crack in earths crust
Down
  1. 1. circular volcano
  2. 2. chamber where magma is stored
  3. 3. to go opposite ways from eachother
  4. 5. underwater volcano
  5. 6. volcano that is expected to erupt in the future
  6. 7. a super continent during the Paleozoic
  7. 10. goes towards eachother
  8. 11. a small earthquake
  9. 15. volcano the smallest type of volcano
  10. 17. rock made by cooling magma
  11. 20. earthquake sudden movements along plate boundary