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earthquakes chpt 1 study guide

About 1550 ce the human population of easter island

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29. About 1550 C.E., the human population of Easter Island was about 7,000; when the first European contact came from the crew of a Dutch ship on Easter Sunday, 5 April 1722, the population of Easter Island ____________________. A. was about the same as it was in 1550 B. had dropped to zero C. had ballooned to nearly 50,000 D. had dropped to about 2000 E. had become cannibalistic and ate the Dutch sailors 30. Disasters occur where the Earth unleashes its concentrated energy. True False 31. In 2005, over 98,000 people lost their lives to natural disasters. True False 32. In general, there is an inverse correlation between the frequency and the magnitude of a disaster process. True False 33. If a particular disaster has a high frequency of occurrence, then it also has a large return period (recurrence interval). True False 34. In general, the larger and more energetic the disaster event, the shorter the return period between such events. True False 35. The annual likelihood of a tornado that kills 10 people is less than that of an earthquake killing the same number of people. True False 36. The likelihood over 20 years of a hurricane that kills 1000 people is greater than that of an earthquake that kills 1000 people. True False 37. Of the 40 worst disasters between 1970 and 2005, the most frequent mega-killers were earthquakes. True False 38. In the period between 1970 and 2005, 26 of the 40 worst disasters occurred in a belt running from Bangladesh through India and Iran to Turkey. True False 39. Asia dominates the list of the 40 worst killing disasters of the last three decades of the 20th century, with almost 86 percent of the fatalities occurring in these regions. True False 40. One effect of disasters is a decrease in suicide rates in the months immediately following the disaster. True False 41. The locations of the worst dollar-loss disasters for the insurance industry present a very different picture than the list of worst locations for fatalities in the last three decades of the twentieth century. True False 42. Today, the world growth rate for human population is rapidly declining. True False 43. By the year 2000 B.C.E., the world's total population was over 6 billion. True False 44. Using the rule of 70, a population growth rate of 2% annually will result in doubling a population in 35 years. True False 45. At present, the world population is growing at about 1.2 percent per year for a doubling time of 58 years. True False
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46. If 6 billion people stood shoulder-to-shoulder with each person having his or her own 3-ft by 1-ft space, the entire world population would fit inside a square fence about 42 kilometers (26 miles) on a side.
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