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1st Quarter > Seismology and Seismic Waves > Flashcards

Seismology and Seismic Waves Flashcards

1
Q

the study of earthquakes and seismic waves that move through the earth

A
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2
Q

define seismology

A

the study of earthquakes and seismic waves that move through the earth

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3
Q

a scientist who studies earthquakes and seismic waves

A
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4
Q

the waves of energy caused by the sudden breaking of rock within the earth or an explosion

A
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5
Q

define seismic waves scientifically

A

the waves of energy caused by the sudden breaking of rock within the earth or an explosion

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6
Q

where seismic waves are recorded on

A

seismographs

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7
Q

the two main types of waves

A

body waves and surface waves

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8
Q

the type of waves that can travel through the earth’s inner layers

A

body waves

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9
Q

what are body waves

A

the type of wave that can travel through the earth’s inner layers

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10
Q

waves that move along the surface of the planet like ripples on water

A
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11
Q

what are surface waves

A
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12
Q

differentiate body waves and surface waves

A
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13
Q

the two types of body waves

A
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14
Q

what arrives first, body waves or surface waves?

A
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15
Q

what is the natural disaster that radiates seismic energy

A
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16
Q

which has higher frequency, body waves or surface waves?

A

body waves

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17
Q

fastest kind of seismic wave, consequently the first to arrive at the seismic station

A

primary wave

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18
Q

can move through solid rock and fluids, like water or the liquid layers of the earth

A

primary wave

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19
Q

it pushes and pulls the rock it moves through just like sound waves push and pull in the air

A

primary wave

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20
Q

also known as compressional waves

A

primary wave

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21
Q

responsible for the sounds coming from the ground

A

primary wave

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22
Q

commonly heard but seldom felt

A

primary wave

23
Q

shake the ground in the direction they are propagating

A

primary wave

24
Q

shake the ground perpendicularly causing more damage to the surface above it

A

secondary wave

25
Q

compression followed by dilation

A

primary wave

26
Q

explain the particle motion in p waves

A
27
Q

have an up motion followed by a down motion

A
28
Q

explain the particle motion in s waves

A
29
Q

the second wave you feel in an earthquake

A
30
Q

can only move through solid rock and not through any liquid medium

A
31
Q

the slower wave between s waves and p waves

A
32
Q

due to this specific characteristic of s wave, seismologists were able to conclude that the outer core is

A
33
Q

differentiate primary waves and secondary waves

A
34
Q

waves that travel only through the crust

A
35
Q

which wave is of a lower frequency between body waves and surface waves

A
36
Q

the waves that are almost entirely responsible for the damage and destruction associated with earthquakes

A
37
Q

the two types of surface waves

A
38
Q

surface wave that causes the most damage to buildings and other structures

A
39
Q

the fastest surface wave

A
40
Q

the surface wave that moves the ground from side-to-side

A
41
Q

love wave was named after __________________________ who was a British mathematician who worked out the mathematical model for this kind of wave in 1911

A
42
Q

the surface wave that produces an entirely horizontal motion

A
43
Q

Rayleigh waves was named after ______________ he mathematically predicted the existence of this kind of wave in 1885

A
44
Q

this wave rolls along the ground just like a wave rolls across a lake or an ocean

A
45
Q

it moves the ground up and down, and side to side in the same direction the wave is moving

A
46
Q

most of the shaking felt from the earthquake is due to this wave

A
47
Q

larger than the other waves

A
48
Q

waves that have a motion that is horizontal and perpendicular to the direction of propagation

A

love wave

49
Q

waves that move traverse to the direction of the propagation but with no vertical motion

A

love wave

50
Q

they cause rocks to move horizontally or side to side at right angles to the direction of the travelling wave

A
51
Q

waves that have an elliptical motion similar to that of water waves

A
52
Q

these waves are also called ground roll, they cause rock particles to move upwards, backwards, and down in a path that contains the direction of the wave travel

A
53
Q

what is the arrangement in which the waves arrive

A

1st Quarter (3 decks)

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