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Across
  1. 5. The volume of the shaking from earthquake.
  2. 6. The ring where most earthquakes/volcanoes occur.
  3. 8. A plate boundary that moves into each other.
  4. 10. When two plate boundaries slide together.
Down
  1. 1. A massive unstoppable wave.
  2. 2. the Thinnest layer of the Earth
  3. 3. A plate boundary that moves away from each other.
  4. 4. The instrument used to record and detect earthquakes.
  5. 7. The skeleton of an animal millions of years old.
  6. 9. The most thickest layer of the Earth