Science Earth questions

Card Set Information

Science Earth questions
2013-10-13 10:37:54

studying with flashcards that describe earthquakes
Show Answers:

  1. Seismology
  2. where do most earthquakes occur?
  3. what is a fault?
  4. what is deformation?
  5. what is elastic rebound?
  6. what major type of fault occurs at a) transform, b) Convergent, and c) divergent plate motions?
  7. what are seismic waves?
  8. explain P waves.
  9. explain S waves.
  10. explain surface waves.
  11. what is the direct case of earthquakes?
  12. what is the difference between a seismogram and a siesmograph?
  13. what is an epicenter?
  14. wat is a focus point?
  15. what was the purpose of using a S-P time method?
  16. S-P time method:
    three circles are drwan on a seismograph. The first one is drawn around the S________ S________. The radius of this equals the distance from the seismorgraph to the ________. 
  17. S-P time method:
    the second circle is drawn around another Seismograpph station, and ______ the first cicle in ______ spots.
  18. S-P time method
    the third circle is drawn around a thrid seimograph station , all three circles intersectin ______ spot - the ______.
  19. what is the Richter Magnitude Scale?
  20. What is magnitude?
  21. what is intensity?
  22. What is the earthquake hazard?
  23. what is the difference between strength and frequency of an earthquake?
  24. what magnitude would describe the greatest frequency?
  25. what is the gap hypothesis?
  26. what are seismic gaps?
  27. retrofitting is the process of making buildings more earthquake resistant. Describe the five techniques built in buildings today.
  28. What is the difference between the Richter Magnitude scale and the Mercalli scale?