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19 True/False questions

  1. Love Wave• Seismic wave that is considered to be the most destructive

          

  2. Shallow Focus•Earthquakes along a subduction zone

          

  3. Most earthquakes at Divergent plate boundaries are?•Shallow Focus

          

  4. What is the minimum number of seismic stations needed to determine the estimated regional location of the epicenter of an earthquake?•3

          

  5. Elastic rebound theory•Point on the earth's surface directly above the focus

          

  6. Benioff Zones are found near•Narrow zone of earthquakes of descending depth along a subducting plate

          

  7. Compression Waves•Also known as P-Waves
    •1st motion in the peak of a seismic wave is "up"

          

  8. The Ricter scale measures what?•Magnitude of an earthquake

          

  9. Epicenter of an earthquake•Point on the earth's surface directly above the focus

          

  10. The distance ofa seismic station from the epicenter of an earthquake can be measured by the time of arrivla differnces of what two types of seismic waves?• P & S Waves

          

  11. In order to find the exact location of the epicenter of an earthquake, the first motion of what type of sesmic waves can be used?• P & S Waves

          

  12. Epicenter

          

  13. Extention Waves•Also known as S-Waves
    •1st motion in the dip of a seismic wave is "down"

          

  14. Magnitude of an earthquake•The point within the Earth where seismic wave originates
    •Point of initial breakage of the rock or movement along fault
    •Usually below the Earth's surface

          

  15. Earthquake•Trembling or shaking of the ground caused by the sudden release of energy stored in the rocks beneath the surface of the earth

          

  16. Benioff Zone•Narrow zone of earthquakes of descending depth along a subducting plate

          

  17. North Ridge Earthquake•The point within the Earth where seismic wave originates
    •Point of initial breakage of the rock or movement along fault
    •Usually below the Earth's surface

          

  18. Rayleigh Wave• Seismic wave that is considered to be the most destructive

          

  19. Focus of an earthquake•Measures the energy released during the earthquake