Earthquake Flashcards

(50 cards)

1
Q

Earthquake is a ____ force

A

Endogenic

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2
Q

Earthquake is a _____ source to tell abt interiors

A

Indirect

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3
Q

Earthquake takes place in

A

Lithosphere

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4
Q

Lithosphere consists of

A

Crust + outer mantle

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5
Q

Outer mantle also called

A

Asthenosphere

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6
Q

Seismology

A
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7
Q

Seismograph

A
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8
Q

Isoseismic lines

A
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9
Q

Richter scale out of ?

A
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10
Q

Mercalli scale out of

A
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11
Q

Richter scale measures

A
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12
Q

Mercalli scale measures

A
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13
Q

Focus / hypocentre

A
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14
Q

Epicenter

A
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15
Q

____is perpendicular ____

A

Epi,hypo

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16
Q

3types of waves

A

P,S,L

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17
Q

1st wave to travel from focus or hypocenter

A

P wave

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18
Q

2nd wave to travel from focus or hypocenter

A

S

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19
Q

Surface wave also known as

A

L wave ( P+ S)

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20
Q

P wave can travel through

A

Solid > liq> gas ( max speed solid )

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21
Q

P wave also called

22
Q

S wave also called

A

Secondary wave

23
Q

P wave is ____ wave ( transversal or longitudinal)

24
Q

S wave is a ___ type of wave

25
P wave travels faster , y
It's longitudinal so travels faster + 1 St to reach surface
26
L wave known as
Surface wave or body waves
27
Most destructive wave
L
28
S wave doesn't passes through
CORE
29
S wave travels through only
Solid
30
Last wave to reach
Surface/ body / L wave
31
Which wave travels only on surface
L wave
32
2 nd wave to reach surface
S
33
___ wave can travel easily through mantle
P wave
34
Which wave has less shadow zone
P wave
35
Which wave have largest shadow zone
S wave
36
What is shadow zone
Waves don't travel in that zone n deflect
37
P wave shadow zone
105 to 105+40 ( 145)
38
S wave shadow zone
Beyond 105
39
India doesn't have which zone
Zone 1
40
What does zone tells
41
Total how many zones are there
Zones 5
42
Zone 5 in India
Ran if Kutch , uttrakhand
43
Delhi comes in which zone
Zone 4
44
How can u detect earthquake
Emission of Radon Animals Detect P wave on seismograph
45
Energy released in earthquake is due to which energy
Elastic energy
46
Maximum damage happens at ___
Epicenter
47
1 St place to experience seismic on earths surface epic
Epicenter
48
1 St to be notes on seismograph
P wave
49
Most earthquake caused in
Ring of fire
50
Zone 5 Uttrakhand n rann of Kutch haven___ types of rocks
Basaltic rocks