Tectonics revision

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Across
  1. 1. the cloud formed above the volcano during an eruption
  2. 3. the number of layers the earth has
  3. 5. the point at which the earthquake is felt on land
  4. 8. When a mixture of hot rocks, ash and gas are sent out of a volcano at high speeds
  5. 9. the country our earthquake case study is
  6. 12. the mountain our volcano case study was on
  7. 14. what magma becomes when it leaves the volcano
  8. 15. a tear in the earths surface
  9. 17. where magma is stored deep inside the volcano
  10. 18. the point at which the earthquake begins underground
  11. 20. the type of plate margin where one plate sinks beneath the other
  12. 21. the device used to measure the movement of the ground
Down
  1. 2. used to detect movement of the ground
  2. 4. the name of the scale used to measure earthquakes
  3. 6. when people stock up on resources in preparation for a hazard
  4. 7. two plates slide past each other
  5. 10. two plates move apart
  6. 11. the passage magma travels through in the volcano
  7. 13. occurs when there is an underwater earthquake
  8. 16. placed near a volcano to detect CO2
  9. 19. the symbol on a distribution map which shows where a volcano is located