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DRRR Summative Review > Earthquake Hazards > Flashcards

Earthquake Hazards Flashcards

1
Q

Internal earth processes of tectonic origin, and external processes such as mass movements

A

Geologic Hazards

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2
Q

Two types of Surface waves

A

Reyleigh
Love

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3
Q

Two types of Body waves

A

P Waves
S Waves

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4
Q

Named after John William Strut and Lord Reyleigh

A

Reyleigh Waves

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5
Q

Movement is through rolling up the ground like ocean waves

A

Reyleigh Waves

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6
Q

Ground tends to move up and down, side to side

A

Reyleigh Waves

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7
Q

Named after Augusus Edward Hough Love

A

Love Waves

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8
Q

Faster but can only be felt in the crust

A

Love Waves

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9
Q

Horizontally shakes the ground

A

Love Waves

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10
Q

Fastest Seismic waves

A

P Waves

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11
Q

Compressional wave because it pulls and pushes rocks

A

P waves

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12
Q

Can pass through other states of matter

A

P Waves

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13
Q

Slower than P waves

A

S Waves

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14
Q

Only passes through solids

A

S Waves

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15
Q

Ground shaking caused by Slip, Volcanic, or Magmatic Activity

A

Earthquake

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16
Q

Point on the ground above the focus

A

Epicenter

17
Q

Weak point in the tectonic plate where pressure within the crust is released

A

Fault

18
Q

Where the earthquake begins

A

Focus

19
Q

Lower block

A

footwall

20
Q

Upper block

A

hanging wall or headwall

21
Q

Involves downward movement on a sloping fault as the fault’s two sides move apart

A

Dip-Slip fault

22
Q

Rocks above the fault plane move downward in relation to those beneath the fault plane

A

Normal DSF

23
Q

Hanging wall moved up and over the footwall they are low angled reverse faults and dip at angles less the 45 degress

A

Reverse DSF

24
Q

Strike slips are high angle faults

A

Strike-slip fault

25
Q

Combination of both dip slip and strike-slip motion

A

Oblique slip fault

26
Q

Involves downward movement, two faults’ sides move apart

A

Dip-slip fault

27
Q

Two blocks slide past one another

A

Strike-slip fault

28
Q

Measure of energy released by an earthquake

A

Magnitude

29
Q

Actual recorded effects of the earthquake, uses the Mercalli scale

A

Intensity

DRRR Summative Review (3 decks)

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