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 9QFT
Describe how the location of an earthquake is identified by a seismic recording station.
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Students have asked these similar questions
Identify and describe the 3 types of Seismic waves.
Recall the formula for calculating the magnitude of an earthquake, M =
E
Eo
earthquake has magnitude 3.9 on the MMS scale. If a second earthquake has 800 times as much energy
log
One
as the first, find the magnitude of the second quake.
Round to the nearest hundredth.
The magnitude of the second earthquake was
Number
On August 17, 1983, an earthquake with a magnitude of 5.3 in the Richter scale hit the province
of llocos Norte. This was the most sever earthquake in North-western Luzon in 52 years and
probably the second largest earthquake to hit Laoag City and its immediate vicinity in historical
times (Source: philvocs.dost.gov.ph). How much energy was released by the earthquake?
8.51 x 107 joules
2.24 x 1012 joules
2.42 x 1012 joules
8.15 x 10' joules
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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- The magnitude M of an earthquake is given. a. Find the earthquake intensity I in terms of the zero-level earthquake intensity lo- b. Find the energy released by the earthquake. M = 7.3arrow_forwardA strong R = 6.2 magnitude earthquake struck off a group of islands, where R is the Richter number. Its intensity is of the form I=aR. Find a. (Enter an exact number.)arrow_forwardCalculate the surface wave magnitude MS for an earthquake with IMM of VII, in an area that can be approximated by a circle with radius 20 km for a site at the borders of the given isoseismal. This site is located in the western United States. Compare the ensuing value with the estimations from relationships with other magnitude scales. Calculate the fault surface displacements. Assume that the earthquake mechanism is normal faulting.arrow_forward
- If an earthquake measures 7.9 on the Richter Scale, what is the intensity of this earthquake, relative to a 0-level earthquake? Round off your answer to the nearest integer.arrow_forwardOn July 13, 1986, the strongest earthquake known to strike San Diego County registered 5.4 on the Richter scale. It was centered off the coast of Oceanside on the Coronado Bank Fault. a) Determine the amount of energy released in ergs and b) Joules.arrow_forwardA recent magnitude 6.0 Earthquake was recorded. Earthquakes represent a release of energy as a result of the earth's tectonic plates. a) Determine the amount of energy released in ergs. b) Determine the energy release in Joules. ( Hint use the earthquake formula M = 2/3 log (E/ 10^11.8); where M is the earthquake magnitude and E is the energy of the earthquake in ergs (recall 1 erg = 10^-7 Joules)).arrow_forward
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