Physical Science (12th Edition), Standalone Book
12th Edition
ISBN: 9781260150544
Author: Bill W. Tillery
Publisher: McGraw Hill Education
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Textbook Question
Chapter 19, Problem 44AC
P-waves travel ____ S-waves.
a. faster than
b. slower than
c. farther than
d. at the same rate as
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Suppose earthquake A registers two more points on the Richter scale than earthquake B.
a. How are their corresponding intensities related?
b. How are their released energies related?
a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. A = IB +
O B. A =
Oc. 'A ='B
O D. IA = lB -
15. If the incident angle is 45 degrees and the seismic velocity in the first medium is a reasonable
value for sediments, and the seismic velocity in the second medium is 4 times slower than in the first
medium, then the refracted angle
a. Is less than 45 degrees.
b. Is more than 45 degrees.
c. Is 45 degrees.
d. Cannot be determined given this information.
16. Assume that the earth is represented by a horizontal layer overlying a half-space. A simplest
refraction survey with minimum instrument requires
one shot and one geophone
b. one shot and two geophones
c. one shot and three geophones
d. two shots with two geophones
17. You carried out a single-shot seismic reflection survey to find the depth to the basement and the
velocity structure. Exact knowledge about the
material above the basement and the shape of the
basement interface was not known. After carrying
out the survey he picked out the first arrivals and
plotted the T-X graph as below. What conclusion
can you make?
a. he can…
7. For a reflection seismic survey, where the subsurface has an average P-wave velocity of 1000m/s
and we use a 10ms seismic wavelet, the best resolution we could obtain is?
а. 1 m
b. 2.5 m
с. 5m
d. 10 m
8. Seismic migration can be best described as
a. Converting the seismic section from time to depth
b. Adjusting the reflection time based on the hyperbolic travel time
c. Stacking the traces
d. Putting seismic reflectors in their correct location
9. In a seismic survey, an air wave can be best described as
a. A wave that travels through the air
b. A compression wave that travels through the air in the pore spaces in the rock.
c. A direct, compression wave that travels from the source to the geophones through the air.
d. All of the above
10. A seismic survey is conducted in a region with two layers. The top layer is shale, with density
2500 kg/m3, and seismic velocity of 2900m/s, and the bottom layer is sandstone, with a density of
2100 kg/m3, and a seismic velocity of 3000m/s. The…
Chapter 19 Solutions
Physical Science (12th Edition), Standalone Book
Ch. 19 - 1. The premise that the present is the key to...Ch. 19 - 2. The concept of uniformitarianism is that rocks...Ch. 19 - 3. A force that compresses, pulls apart, or...Ch. 19 - 4. Rock stress caused by two plates moving...Ch. 19 - 5. Adjustment to stress is defined as
a....Ch. 19 - 6. Rocks at great depths are under
a. lower...Ch. 19 - 7. A bend in layered bedrock that resulted from...Ch. 19 - 8. Folds that resemble an arch are called
a....Ch. 19 - 9. A fold that forms a trough is called a (an)
a....Ch. 19 - 10. Movement between rocks on one side of a...
Ch. 19 - 11. The actual place where seismic waves originate...Ch. 19 - 12. The point on Earth's surface directly above...Ch. 19 - 13. An earthquake that occurs in the upper part of...Ch. 19 - 14. The majority of earthquakes (85 percent)...Ch. 19 - 15. The size of an earthquake is measured by
a....Ch. 19 - 16. The energy of the vibrations or the magnitude...Ch. 19 - 17. Earthquakes are detected and measured by
a. a...Ch. 19 - 18. Elevated parts of Earth’s crust that rise...Ch. 19 - 19. Which of the following is not a classification...Ch. 19 - 20. Mountains that rise sharply from surrounding...Ch. 19 - 21. A large amount of magma that has crystallized...Ch. 19 - 22. The most abundant extrusive rock is
a....Ch. 19 - 23. The basic difference between the frame of...Ch. 19 - 24. The difference between elastic deformation and...Ch. 19 - 25. Whether a rock layer subjected to stress...Ch. 19 - 26. When subjected to stress, rocks buried at...Ch. 19 - 27. A sedimentary rock layer that has not been...Ch. 19 - 28. The difference between a joint and a fault is...Ch. 19 - 29. A fault where the footwall has moved upward...Ch. 19 - 30. Reverse faulting probably resulted from which...Ch. 19 - 31. Earthquakes that occur at the boundary between...Ch. 19 - 32. Each higher number of the Richter scale
a....Ch. 19 - 33. The removal of “older” crust from the surface...Ch. 19 - 34. Hutton observed that rocks, rock structures,...Ch. 19 - 35. The principle of uniformity has a basic frame...Ch. 19 - 36. What is not considered a type of strain?
a....Ch. 19 - 37. How a rock responds to stress and strain does...Ch. 19 - 38. Which rock is more likely to break under...Ch. 19 - 39. Rocks near or on the surface
a. are not cooler...Ch. 19 - 40. Rocks recover their original shape after...Ch. 19 - 41. Which is not a type of fault?
a. Normal
b....Ch. 19 - 42. Where do most earthquakes occur?
a. Along...Ch. 19 - 43. The name of the fault that is of concern to...Ch. 19 - 44. P-waves travel ____ S-waves.
a. faster than
b....Ch. 19 - Prob. 45ACCh. 19 - 46. An earthquake is
a. the result of the sudden...Ch. 19 - 47. The Black Hills in South Dakota and the...Ch. 19 - 48. The Appalachian Mountains were formed when
a....Ch. 19 - 49. Mountains that were formed as a result of...Ch. 19 - 50. The source of magma for the Mount St. Helens...Ch. 19 - 1. What is the principle of uniformity? What are...Ch. 19 - 2. Describe the responses of rock layers to...Ch. 19 - Prob. 3QFTCh. 19 - 4. What does the presence of folded sedimentary...Ch. 19 - 5. Describe the conditions that would lead to...Ch. 19 - 6. How would plate tectonics explain the...Ch. 19 - 7. What is an earthquake? What produces an...Ch. 19 - 8. Where would the theory of plate tectonics...Ch. 19 - 9. Describe how the location of an earthquake is...Ch. 19 - 10. Briefly explain how and where folded mountains...Ch. 19 - 11. The magnitude of an earthquake is measured on...Ch. 19 - 12. Identify three areas of probable volcanic...Ch. 19 - Prob. 13QFTCh. 19 - 14. Describe any possible relationships between...Ch. 19 - 15. What is the source of magma that forms...Ch. 19 - 16. Describe how the nature of the lava produced...Ch. 19 - 17. What are mountains? Why do they tend to form...Ch. 19 - 1. Evaluate the statement “the present is the key...Ch. 19 - Prob. 2FFACh. 19 - 3. What are the significant similarities and...Ch. 19 - 4. Explain the combination of variables that...Ch. 19 - Prob. 1IICh. 19 - Prob. 2IICh. 19 - Prob. 3IICh. 19 - Prob. 4IICh. 19 - Prob. 5IICh. 19 - Prob. 1PEACh. 19 - Prob. 2PEACh. 19 - Prob. 3PEACh. 19 - Prob. 4PEACh. 19 - Prob. 5PEACh. 19 - Prob. 6PEACh. 19 - Prob. 7PEACh. 19 - Prob. 8PEACh. 19 - Prob. 9PEACh. 19 - Prob. 10PEACh. 19 - Prob. 11PEACh. 19 - How wide, in kilometers, is a shield volcano...Ch. 19 - Prob. 13PEACh. 19 - Prob. 14PEACh. 19 - Prob. 15PEACh. 19 - Prob. 16PEACh. 19 - 1. The rocks in a syncline have been folded into a...Ch. 19 - Prob. 2PEBCh. 19 - Prob. 3PEBCh. 19 - 4. The hanging wall of a fault has been displaced...Ch. 19 - Prob. 5PEBCh. 19 - Prob. 6PEBCh. 19 - Prob. 7PEBCh. 19 - 8. Compare the ground motion (surface wave...Ch. 19 - Prob. 10PEBCh. 19 - Prob. 11PEBCh. 19 - Prob. 12PEBCh. 19 - Prob. 13PEBCh. 19 - Prob. 14PEBCh. 19 - Prob. 15PEBCh. 19 - Prob. 16PEB
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Assume P waves travel at 10 km/s and S waves travel at 5 km/s. If the S waves from an earthquake arrive at a seismographic station 10 minutes after the P waves, how far away was the earthquake from the station’arrow_forwardIn marine seismic exploration, a seismic source such as an air gun or water gun is used to generate seismic energy. All seismic sources deployed in the water have what feature in common?a. They generate P-waves onlyb. They generate S-waves onlyc. They generate both P and S wavesd. They generate both P and SV wavesarrow_forwardAn earthquake has an intensity of 1071 x lo. What is its magnitude using the Richter scale? А. 2.9 в. 7.1 C. 8.5 D. 10 - What is the pH of an aqueous solution when the concentration of hydrogen ion is 6.5 x 10-5 M? A. 4.19 В. 5.05 C. 5.65 D. 6.50arrow_forward
- A rift valley is evidence of which kind of plate boundary? A. convergent B. divergent C. transform D. uniform O A O B Ос O Darrow_forward5. Use the Richter scale R = log- for measuring the magnitude R of an earthquake. Find the intensity I of an earthquake measuring R on the Richter scale (let I, = 1). %3D a. South Shetland Islands in 2012: R = 6.6. %3D b. Oklahoma in 2011: R = 5.6. %3D c. Papua New Guinea in 2011: R = 7.1. с. Find the magnitude R of each earthquake of intensity I (Io = 1) d. I = 199,500,000 I = 48,275,000 e. f. I= 17,000 %3Darrow_forward28. During earthquakes, two types of waves can be created. One is a longitudinal wave form called the P-wave. In the diagram below, the compressions of a seismic P-wave through rock are shown. Which arrow shows the direction in which the P-wave propagates?A. Arrow AB. Arrow BC. Arrow CD. Arrow Darrow_forward
- 13. How deep in the crust is 10 kbar? Lithostatic pressure within the crusts results from the weight of the rocks above. Assume an average density of 2750 kg/m3. Use the equation P=p*g*h or P/(p *g)=h 23kPa/m P=pressure (e.g. kbar), p=density, g-gravity 9.8 m/s2, h= depth (m), 1 kbar=1,000 bars, 1 bar=100,000 Pa, 1 Pa=kg/(m*s2), 1 kbar =100,000,000 Pa, 1 km =1000 m. Give your answer in kilometers.arrow_forward4. Assuming there are no major changes in either the discharge of the river or the slope of the channel, which image shows the most likely course of the river in 500 years? Original river %3 A O A. Image A O B. Image B OC. Image C D. There is no way to determine which image is most likelyarrow_forward12. Which part of the earth makes up about one-third of earth’s total mass and is mostly iron witha solid part and a part that acts like a liquid?A. mantle B. core C. crust D. asthenospherearrow_forward
- 4) The Richter scale is used for measuring the magnitude of an earthquake. The Richter magnitude R is given by the model R = 0.67 log(0.37 E) + 1.46 Where E is the energy (in kilowatt-hours) released by the earthquake. An earthquake in Pakistan on June 8, 2007. released 132,372 kilowatt hours of energy, what was the earthquake's magnitude (to the nearest tenth)? a) 4.1 b) 4.3 d) 4.8 c) 4.6arrow_forwardb. Under what condition is a material or a rock mass considered to: i. Have positive Poisson’s ratio ii. Have negative Poisson’s ratio iii. Possess planar discontinuity iv. Exhibit positive deformation v. Exhibit negative deformation?arrow_forward
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