Earthquakes and Volcanoes<3

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Across
  1. 6. what scale measures the strength of an earthquake
  2. 7. which wave is faster primary or secondary
  3. 8. break in earth's crust
  4. 10. what scale measures the intensity of an earthquake
  5. 11. which seismic waves do the most damage?
  6. 12. which wave is slower primary or secondary
  7. 13. the wave that moves away from each other
  8. 15. what does the gap hypothesis state
Down
  1. 1. where do most earthquakes happen
  2. 2. occurs when 2 plates slide past each other
  3. 3. occurs when 2 plates push away from each other
  4. 4. what's the focus and epicenter of the earthquake
  5. 5. the wave move toward each other
  6. 9. what is the simplest method of determining the epicenter of an Earthquake?
  7. 14. occurs when 2 plates push together