Earthquakes

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Across
  1. 2. Harm caused by an earthquake.
  2. 3. A break in Earth's crust where rocks move.
  3. 4. A large, moving section of Earth's lithosphere.
  4. 6. A smaller earthquake that occurs before a larger one.
  5. 8. Earth's outermost solid layer.
  6. 10. A series of large ocean waves caused by sudden water displacement.
  7. 12. Energy that travels through Earth during an earthquake.
  8. 13. Related to earthquakes or vibrations in Earth.
  9. 14. The point inside Earth where an earthquake begins.
  10. 17. A sudden shaking of the ground caused by the release of energy inside Earth.
  11. 19. A scale historically used to measure earthquake magnitude.
Down
  1. 1. The surface trace of a fault.
  2. 5. A smaller earthquake that occurs after a larger one.
  3. 7. An instrument that records ground motion.
  4. 9. A measure of how strongly an earthquake is felt at a location.
  5. 11. The movement of the ground during an earthquake.
  6. 15. The area where two tectonic plates meet.
  7. 16. A measure of an earthquake's size.
  8. 17. The point on Earth's surface directly above an earthquake's focus.
  9. 18. Related to the structure and movement of Earth's lithosphere.