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Geography > Earthquake > Flashcards

Earthquake Flashcards

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

A

Primary wave

22
Q

S wave also called

A

Secondary wave

23
Q

P wave is ____ wave ( transversal or longitudinal)

A

Longitudinal

24
Q

S wave is a ___ type of wave

A

Transverse

25
Q

P wave travels faster , y

A

It’s longitudinal so travels faster + 1 St to reach surface

26
Q

L wave known as

A

Surface wave or body waves

27
Q

Most destructive wave

A

L

28
Q

S wave doesn’t passes through

A

CORE

29
Q

S wave travels through only

A

Solid

30
Q

Last wave to reach

A

Surface/ body / L wave

31
Q

Which wave travels only on surface

A

L wave

32
Q

2 nd wave to reach surface

A

S

33
Q

___ wave can travel easily through mantle

A

P wave

34
Q

Which wave has less shadow zone

A

P wave

35
Q

Which wave have largest shadow zone

A

S wave

36
Q

What is shadow zone

A

Waves don’t travel in that zone n deflect

37
Q

P wave shadow zone

A

105 to 105+40 ( 145)

38
Q

S wave shadow zone

A

Beyond 105

39
Q

India doesn’t have which zone

A

Zone 1

40
Q

What does zone tells

A
41
Q

Total how many zones are there

A

Zones 5

42
Q

Zone 5 in India

A

Ran if Kutch , uttrakhand

43
Q

Delhi comes in which zone

A

Zone 4

44
Q

How can u detect earthquake

A

Emission of Radon
Animals
Detect P wave on seismograph

45
Q

Energy released in earthquake is due to which energy

A

Elastic energy

46
Q

Maximum damage happens at ___

A

Epicenter

47
Q

1 St place to experience seismic on earths surface epic

A

Epicenter

48
Q

1 St to be notes on seismograph

A

P wave

49
Q

Most earthquake caused in

A

Ring of fire

50
Q

Zone 5 Uttrakhand n rann of Kutch haven___ types of rocks

A

Basaltic rocks

Geography (5 decks)

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