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Chapter 11: Questions and Answers
by AudioLearn
CHAPTER 11: QUESTIONS AND ANSWERS
1. You live in an earthquake zone along a fault line and hear that there haven't been many small tremors in many years. What can you assume from this?
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A. The plates have stopped moving here. B. There is subduction going on to reduce the tremors. C. The plates are moving without friction. D. Friction is likely causing an increase in the risk of a large earthquake.
2. What is the most accurate description of the epicenter of an earthquake?
A. It is where the earthquake starts. B. It is on the earth's surface above where the earthquake starts. C. It is the area of the greatest damage to property. D. It is the area where the earth moved to the greatest extent.
3. What is a good synonym for a fault scarp?
A. Rumbling B. Elevation C. Liquefaction D. Crack
4. What aspect of an earthquake is likely to cause the most damage and destruction?
A. Landslide B. Liquefaction C. Ground shaking D. Fault scarp
5. What earthquake phenomenon will be most easily survived but only if you are outdoors?
A. Tsunamis B. Landslides C. Liquefaction D. Ground shaking
6. When you read a seismogram, what does it most represent?
A. Waveforms over distance covered B. Deflections of earth's crustal movement versus time C. Deflections of the magma movement versus distance beneath earth D. Vertical movement of continental crust versus oceanic crust over time
7. Which waves from an earthquake move the slowest?
A. Microseisms B. Raleigh waves C. S waves D. Love waves
8. Why do we no longer use the Richter scale for measuring earthquakes?
A. It was a linear scale and we needed a logarithmic scale. B. It underestimated the dollar damage of a given earthquake. C. It only worked for ground-based earthquakes. D. It was mostly only valid for Southern California earthquakes.
9. You measure an earthquake magnitude and get a 6.1. What is this classified as?
A. Mild B. Strong C. Great D. Severe
10. In measuring earthquake intensity, which scale is used for this?
A. Modified Mercalli scale B. Richter scale C. Mercalli Scale D. Moment Magnitude Scale
