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PERSONAL REVIEWER > Modified Mercalli Scale > Flashcards

Modified Mercalli Scale Flashcards

1
Q

Intensity where it is perceptible to people under favorable circumstances

A

Intensity I - Scarcely Perceptible

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2
Q

Intensity where delicately balance objects are disturbed slightly

A

Intensity I - Scarcely Perceptible

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3
Q

Intensity where still water in containers oscillates slowly

A

Intensity I - Scarcely Perceptible

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4
Q

Intensity where it is felt by few individuals at rest indoors

A

Intensity II - Slightly Felt

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5
Q

Intensity where hanging objects swing slightly

A

Intensity II - Slightly Felt

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6
Q

Intensity where still water in containers oscillates noticeably

A

Intensity II - Slightly Felt

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7
Q

Intensity where it is felt by many people indoors especially in upper floors of buildings

A

Intensity III - Weak

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8
Q

Intensity where vibration is felt like one passing of a light truck

A

Intensity III - Weak

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9
Q

Intensity where dizziness and nausea are experienced by some people

A

Intensity III - Weak

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10
Q

Intensity where hanging objects swing moderately

A

Intensity III - Weak

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11
Q

Intensity where still water in containers oscillates moderately

A

Intensity III - Weak

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12
Q

Intensity where it is felt generally by people indoors and by some people outdoors

A

Intensity IV - Moderately Strong

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13
Q

Intensity where light sleepers are awakened

A

Intensity IV - Moderately Strong

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14
Q

Intensity where vibration is felt like a passing of heavy truck

A

Intensity IV - Moderately Strong

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15
Q

Intensity where hanging objects swing considerably

A

Intensity IV - Moderately Strong

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16
Q

Intensity where dinner, plates, glasses, windows, and doors rattle

A

Intensity IV - Moderately Strong

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17
Q

Intensity where floors and walls of wood framed buildings creak

A

Intensity IV - Moderately Strong

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18
Q

Intensity where standing motor cars may rock slightly

A

Intensity IV - Moderately Strong

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19
Q

Intensity where liquids in containers are slightly disturbed

A

Intensity IV - Moderately Strong

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20
Q

Intensity where water in containers oscillate strongly

A

Intensity IV - Moderately Strong

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21
Q

Intensity where rumbling sound may sometimes be heard

A

Intensity IV - Moderately Strong

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22
Q

Intensity where it is generally felt by most people indoors and outdoors

A

Intensity V - Strong

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23
Q

Intensity where some are frightened, some run outdoors

A

Intensity V - Strong

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24
Q

Intensity where strong shaking and rocking felt throughout building

A

Intensity V - Strong

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25
Q

Intensity where hanging objects swing violently

A

Intensity V - Strong

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26
Q

Intensity where dining utensils clatter and clink; some are broken

A

Intensity V - Strong

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27
Q

Intensity where small, light and unstable objects may fall or overturn

A

Intensity V - Strong

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28
Q

Intensity where liquids spill from filled open containers

A

Intensity V - Strong

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29
Q

Intensity where standing vehicles rock noticeably

A

Intensity V - Strong

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30
Q

Intensity where shaking of leaves and twigs of trees are noticeable

A

Intensity V - Strong

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31
Q

Intensity where many people are frightened; many run outdoors

A

Intensity VI - Very Strong

32
Q

Intensity where some people lose their balance

A

Intensity VI - Very Strong

33
Q

Intensity where motorists feel like driving in flat tires

A

Intensity VI - Very Strong

34
Q

Intensity where heavy objects or furniture move or may be shifted

A

Intensity VI - Very Strong

35
Q

Intensity where small church bells may ring

A

Intensity VI - Very Strong

36
Q

Intensity where wall plaster may crack

A

Intensity VI - Very Strong

37
Q

Intensity where very old or poorly built houses and man-made structures are slightly damaged though well-built structures are not affected

A

Intensity VI - Very Strong

38
Q

Intensity where limited rockfalls and rolling boulders occur in hilly to mountainous areas and escarpments

A

Intensity VI - Very Strong

39
Q

Intensity where trees are noticeably shaken

A

Intensity VI - Very Strong

40
Q

Intensity where most people are frightened and run outdoors

A

Intensity VII - Destructive

41
Q

Intensity where people find it difficult to stand in upper floors

A

Intensity VII - Destructive

42
Q

Intensity where heavy objects and furniture overturn or topple

A

Intensity VII - Destructive

43
Q

Intensity where big church bell may ring

A

Intensity VII - Destructive

44
Q

Intensity where old or poorly built structures suffer considerably damage

A

Intensity VII - Destructive

45
Q

Intensity where some well built structures are slightly damage

A

Intensity VII - Destructive

46
Q

Intensity where some cracks may appear on dikes, fish ponds, road surface, or concrete hollow block walls

A

Intensity VII - Destructive

47
Q

Intensity where limited liquefaction, lateral spreading and landslide are observed

A

Intensity VII - Destructive

48
Q

Intensity where trees are shaken strongly

A

Intensity VII - Destructive

49
Q

Intensity where people are panicky

A

Intensity VIII - Very Destructive

50
Q

Intensity where people find it difficult to stand even outdoors

A

Intensity VIII - Very Destructive

51
Q

Intensity where many well built buildings are considerably damaged

A

Intensity VIII - Very Destructive

52
Q

Intensity where concrete dikes and foundation of bridges are destroyed by ground settling or toppling

A

Intensity VIII - Very Destructive

53
Q

Intensity where railway tracks are bent or broken

A

Intensity VIII - Very Destructive

54
Q

Intensity where tombstones may be displaced, twisted or overturned

A

Intensity VIII - Very Destructive

55
Q

Intensity where utility posts, towers and monuments may tilt or topple

A

Intensity VIII - Very Destructive

56
Q

Intensity where water and sewer pipes may be bent, twisted or broken

A

Intensity VIII - Very Destructive

57
Q

Intensity where liquefaction and lateral spreading cause man-made structure to sink, tilt or topple

A

Intensity VIII - Very Destructive

58
Q

Intensity where numerous landslides and rockfalls occur in mountainous and hilly areas

A

Intensity VIII - Very Destructive

59
Q

Intensity where boulders are thrown out from their positions particularly near the epicenter

A

Intensity VIII - Very Destructive

60
Q

Intensity where fissures and faults rapture may be observed

A

Intensity VIII - Very Destructive

61
Q

Intensity where trees are violently shaken

A

Intensity VIII - Very Destructive

62
Q

Intensity where water splash or stop over dikes or banks of rivers

A

Intensity VIII - Very Destructive

63
Q

Intensity where people are forcibly thrown to ground.

A

Intensity IX - Devastating

64
Q

Intensity where many cry and shaken with fear

A

Intensity IX - Devastating

65
Q

Intensity where most buildings are totally damaged

A

Intensity IX - Devastating

66
Q

Intensity where bridges and elevated concrete structures are toppled or destroyed

A

Intensity IX - Devastating

67
Q

Intensity where numerous utility posts, towers and monument are tilted, toppled or broken

A

Intensity IX - Devastating

68
Q

Intensity where water sewer pipes are bent, twisted or broken

A

Intensity IX - Devastating

69
Q

Intensity where landslides, liquefaction with lateral spreadings and sandboils are widespread

A

Intensity IX - Devastating

70
Q

Intensity where the ground is distorted into undulations

A

Intensity IX - Devastating

71
Q

Intensity where trees are shaken very violently with some toppled or broken

A

Intensity IX - Devastating

72
Q

Intensity where boulders are commonly thrown out

A

Intensity IX - Devastating

73
Q

Intensity where river water splashes violently on slops over dikes and banks

A

Intensity IX - Devastating

74
Q

Intensity where practically all man-made structures are destroyed

A

Intensity X - Completely Devastating

75
Q

Intensity where massive landslides and liquefaction, large scale subsidence and uplifting of land forms many ground fissures are observed

A

Intensity X - Completely Devastating

76
Q

Intensity where changes in river courses and destructive seiches in large lakes occur

A

Intensity X - Completely Devastating

77
Q

Intensity where many trees are toppled broken and uprooted

A

Intensity X - Completely Devastating

PERSONAL REVIEWER (28 decks)

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