Ch 14 Internal Processes_key terms and Concepts questions.docx

24 what is a syncline what is an anticline tectonism

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24. What is a syncline ? What is an anticline ? Tectonism: Faulting 25. Explain the differences in stress direction and displacement among the four basic kinds of faults: normal faults , reverse faults , thrust faults , and strike-slip faults . 26. What is a fault scarp ? 27. Describe and explain the formation of landforms that result from normal faulting (such as grabens , horsts , and tilted fault-block mountains ). 28. Describe and explain the formation of landforms that result from strike-slip faulting (such as linear fault troughs , sag ponds , and offset streams ). Earthquakes 29. What is an earthquake ? 30. What is the difference between the focus of an earthquake and the epicenter of an earthquake? 31. What is the difference between earthquake magnitude and earthquake shaking intensity?
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32. What does the modified Mercalli intensity scale convey? 33. Briefly describe the differences among the P waves , S waves , and surface waves of an earthquake. Earthquake Hazards 34. Under what conditions does liquefaction occur?
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