Science puzzle

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Across
  1. 2. What boundary pulls away from itself
  2. 4. The sudden return of elastically deformed rock to its undeformed shape
  3. 5. What boundary slides against itself
  4. 7. What do you call the exact place an earthquake happens
  5. 10. What states if there are few earthquakes on a fault there will be stronger ones in the future
  6. 13. What type of wave can cause humans to be harmed
  7. 14. What scale measures the strength of an earthquake
Down
  1. 1. Where do most earthquakes happen
  2. 3. Which boundary slides past each other
  3. 6. What's another name for the strength of an earthquake
  4. 8. what do you call the place exactly above where an earthquake takes place
  5. 9. What scale measures the intensity of an earthquake
  6. 11. What type of wave can not go through liquid
  7. 12. What is the simplest way to find the epicenter of an earthquake