Earthquakes! E6D

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Across
  1. 2. P and S waves are ________ waves
  2. 5. Giant, unstoppable waves caused by earthquakes.
  3. 8. Rayleigh and Love waves are _________ waves
  4. 11. the tectonic boundary where the plates are moving away from each other.
  5. 12. a series of low frequency shockwaves.
  6. 14. a 9 or greater is considered a _________ earthquake
Down
  1. 1. the tectonic boundary where subduction is likely to occur
  2. 3. __________ is a source of danger. Can not be reduced.
  3. 4. the scale used to report an earthquakes strength to the public. Each number increase on the scale 31.6 times the energy of the last number.
  4. 6. an area of a fault that has not had an earthquake is some time may be called a ________ gap.
  5. 7. the strength of an earthquake is referred to as..
  6. 9. the number of seismic stations needed to locate an earthquake's epicenter.
  7. 10. a scale that measures the damage caused by an earthquake, it uses Roman numerals.
  8. 13. a _______ is the possibility of injury or death, and damage to property. It can be reduced.
  9. 14. a 7-7.9 earthquake is a __________ earthquake.