Earthquakes

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Across
  1. 4. - Large ocean wave caused by an underwater earthquake.
  2. 7. - Plate boundary - Plates slide past each other.
  3. 9. - Plates - Large pieces of the Earth's crust that move.
  4. 13. - Instrument that records earthquake waves.
  5. 14. - Process where one tectonic plate moves beneath another.
  6. 15. - Crack in the Earth's crust where earthquakes originate.
  7. 16. - Area directly above the earthquake's origin.
  8. 18. - Measure of the energy released by an earthquake.
Down
  1. 1. - Primary seismic wave that compresses and expands particles.
  2. 2. - Tectonics - A rigid segment of the Earth's lithosphere.
  3. 3. - Measure of the earthquake's effects at specific locations.
  4. 5. - Study of earthquakes and seismic waves.
  5. 6. - Saturated soil temporarily loses strength during an earthquake.
  6. 8. - Related to earthquakes or other vibrations of the Earth.
  7. 10. - Small earthquakes that precede a larger one.
  8. 11. - Smaller earthquake that follows the main shock.
  9. 12. - Scale used to quantify earthquake magnitude.
  10. 17. - Type of earthquake with a focus near the Earth's surface.