Earthquakes

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Across
  1. 1. mini earthquakes after a major earthquake
  2. 6. the centre of the earth
  3. 9. rock caused by the weather and water
  4. 11. a fracture along which the blocks of crust on either side have moved
  5. 12. outer solid part of the earth, including the crust and uppermost mantle.
  6. 15. The result of underwater earthquakes
  7. 18. instrument used to detect and record earthquakes
  8. 19. a depression of the sea floor caused when one plates
  9. 20. the outermost layer of the earth
Down
  1. 2. Plates that move around on the mantle
  2. 3. created when two tectonic plates overlap
  3. 4. a number that characterizes the relative size of an earthquake.
  4. 5. a mass movement of rock, soil and debris down a slope of land.
  5. 7. changing rock caused by high pressure and heat
  6. 8. The result of two tectonic plates hitting.
  7. 10. hot fluid material below the earths crust
  8. 13. a mountain or hill with a crater at the top.
  9. 14. part of the earth's interior between the outer core and the crust.
  10. 16. Cooled lava
  11. 17. Erupting magma