Earthquakes and Plate Movement

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Across
  1. 5. What's the study of earthquakes and magnitudes called?
  2. 8. What plates create low shallow earthquakes?
  3. 9. How is the scale measured?
  4. 10. What is the scale called?
  5. 11. What convergent plate forms volcanoes?
  6. 12. What plates have no volcano activity?
  7. 13. How much does it increase by? hint: Video
Down
  1. 1. Who did Gutenberg collaborate with?
  2. 2. another word for plate movement
  3. 3. Who did Ritcher collaborate with?
  4. 4. What plates have a weaker plate and a strong plate?
  5. 6. What measures the movement of the earth?
  6. 7. What convergent plate forms mountains?