Earthquake and Seismic Waves Crossword

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Across
  1. 4. the minimum number of seismographic stations needed to find an epicenter
  2. 6. a single number that geologists use to assign to an earthquake based on the earthquakes size
  3. 9. vibrations that are similar to sound waves and carry energy released by an earthquake
  4. 11. the shaking and trembling that results from the movement of rock beneath Earth's surface.
  5. 12. the direction that pwave particles move
  6. 13. an instrument that records and measures an earthquake's seismic waves
  7. 14. the earliest magnitude scale
Down
  1. 1. ________ mercalli scale
  2. 2. third and most powerful seismic waves released from an earthquake
  3. 3. surface waves are the most_________kind of seismic waves
  4. 5. the point of the surface directly above the focus
  5. 7. the area beneath Earth's surface where rock that was under stress begins to break or move
  6. 8. first seismic waves released from an earthquake
  7. 10. ______ magnitude scale
  8. 12. second seismic waves released from an earthquake