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Seismic Jeopardy !

Seismic Jeopardy !. Seismic Jeopardy !. What are 2 tools that scientists use to monitor fault movement?. Creep meters Laser-ranging devices Tilt meters Satellites. Back to Menu. What are Elevation and Relief ?. Elevation is a landform’s height above sea level.

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Seismic Jeopardy !

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  1. Seismic Jeopardy!

  2. Seismic Jeopardy!

  3. What are 2 tools that scientists use to monitor fault movement?

  4. Creep meters Laser-ranging devices Tilt meters Satellites Back to Menu

  5. What are Elevationand Relief?

  6. Elevationis a landform’s height above sea level. Reliefis the difference between highest and lowest elevations. Back to Menu

  7. What poses the most danger during an earthquake?

  8. Falling objects. Back to Menu

  9. What are 3 types of landforms? Describe their elevations and reliefs.

  10. Plains:have varying elevations (Coastal / Interior) and low relief. Plateaus:a flat top with high elevation and relief. Mountains: high elevations & reliefs. Back to Menu

  11. Where is the safest area to be during an earthquake? What areas should you avoid?

  12. The safest area is outside, away from falling objects. Avoid outer walls and windows. Back to Menu Final Jeopardy

  13. Aside from buildings, what other important things can earthquakes damage?

  14. Power lines Water mains Gas lines Roads Bridges Back to Menu

  15. An earthquake has just occurred and you’re still alive! But you are not out of danger yet. Why?

  16. Aftershocks– smaller, residual quakes – can occur shortly after the primary quake. Back to Menu

  17. Describe Liquefactionand how it occurs.

  18. Liquefactionis when soil turns into a liquid mud. This is due to rapid, violent vibrations in the earth. Back to Menu

  19. Describe the process that can cause a Tsunamiout in the middle of the ocean.

  20. When one plate subducts, the friction can cause the overlying plate to bend. Releasing this energy (an earthquake) can trigger a massive wave. Back to Menu

  21. What information can you gather from this picture?

  22. The materials / soil of this road were loosely packed An earthquake occurred with a lot of motion to cause Liquefaction Back to Menu Final Jeopardy

  23. Where do earthquakes primarily occur?

  24. Along a Fault, or break in Earth’s surface where plates move past one another. Back to Menu

  25. What is the difference between the Focusand the Epicenterof an earthquake?

  26. The Focusis the starting point of a quake, underground. The Epicenteris the point directly above the focus at the surface. Back to Menu

  27. What are the 3 types of seismic waves? Give a characteristic of each.

  28. Primary Waves: first to arrive, compression / tension stress. Secondary Waves: arrive second, up & down or side to side motion. Surface Waves: P & S waves that reach the surface, severe ground movement. Back to Menu

  29. How can we use seismic waves to learn more about Earth’s interior?

  30. P-waves can travel through any state of matter. S-waves can not pass through liquids or air. Back to Menu

  31. 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 (km) What do the shapes below represent? Explain.

  32. 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 (km) The circles represent seismograph stations. Using time between P & S waves, they can tell how far away a quake occurred. Using 3 or more stations, they can triangulate the exact location. Back to Menu Final Jeopardy

  33. What is Stress?

  34. Stressis the measure of force applied to a given area. Back to Menu

  35. What effect does stress have on rocks and crust?

  36. Deformation, which changes the shape or volume. Back to Menu

  37. What do the following animations represent?

  38. Compression stress and Tension stress. Back to Menu

  39. What are Anticlinesand Synclines?

  40. Anticlinesare an upward fold or peak in rock. Synclines are a downward fold or smile in rock. A Back to Menu

  41. Describe the 3 types of Faults. What types of stress are they associated with?

  42. Normal faults are when the hanging wall moves down from Tension stress. Reverse faults are when the hanging wall moves up from Compression stress. Strike-slip faults are when plates slide past each other from Shear stress. Back to Menu Final Jeopardy

  43. Define Magnitude.

  44. A measure of the amount of energy released by an earthquake. Back to Menu

  45. What is the Mercalli scale and why is it no longer used?

  46. Rates earthquake according to damage dealt. Was not accurate. Back to Menu

  47. What is the Richter scale?

  48. Developed by Charles Richter, this scale measures the intensity of ground movements. Back to Menu

  49. What is Moment Magnitude? Why is it the preferred method for measuring earthquakes?

  50. Moment Magnitude measures the total energy an earthquake releases. Preferred because it can measure any size earthquake, no matter how far. Total Energy Back to Menu

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