Layers of the earth/Plate tectonics crossword

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Across
  1. 6. a destructive mud flow on the slopes of a volcano
  2. 7. A type of volcano that is formed by ashes and cinders
  3. 10. when oceanic crust is pushed under continental crust
  4. 11. liquid layer, above the inner core
  5. 12. the inner most layer of the earth
  6. 13. a type of volcano that is formed by repeated eruptions
  7. 14. the upper layer of the mantle, below the lithosphere
  8. 15. the concentration of the earthquake
Down
  1. 1. below the crust, generates earths convection currents
  2. 2. where two or more plates meet on the earths crust
  3. 3. an instrument used to measure and record the vibrations of an earthquake
  4. 4. a piece of earth or rock sliding down a mountain caused by an earthquake
  5. 5. the thinnest layer of the earth, the outermost
  6. 8. the rigid outer part of the earth, consisting of the crust and upper mantle
  7. 9. a smaller quake in the same spot as the previous larger earth qauke
  8. 13. a type of volcano that is formed by ashes and eruptions