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Science > Earthquake > Flashcards

Earthquake Flashcards

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1
Q

the movement of earth’s crust

A

Earthquake

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2
Q
A
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3
Q

is the study of earthquake

A

seismology

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4
Q

people who study earthquake

A

seismologists

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5
Q

a point on earth’s surface. Where the shaking is the strongest and most damage occurs

A

epicenter

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6
Q

point below earth’s surface where the rock breaks along the fault and energy is released

A

focus

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7
Q

What are the three types of movement?

A

Normal fault
Reverse fault
strike-slip fault

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8
Q

a region on earth’s surface that is broken into two piecesN

A

Fault

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9
Q

what are the two types of earthquake?

A

Tectonic earthquake
Volcanic earthquake

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10
Q

occurs when two tectonic plates move suddenly against each other

A

Tectonic earthquake

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11
Q

Occurs in areas near volcanoes

A

Volcanic earthquake

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12
Q

It is the energy produced by an eathquake

A

Seismic waves

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13
Q

What is P waves?

A

primary
arrives first
move with a push-pull

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14
Q

What is S waves?

A

secondary
arrives second
move with a side-to-side motion

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15
Q

what is surface waves?

A

slowest
most damage

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16
Q

measures the magnitude of an earthquake

A

seismograph

17
Q

is the energy released by an earthquake

A

magnitude

18
Q

Magnitude is measured using?

A

Richter scale

19
Q

is used to describe the strength of an earthquake

A

Richter magnitude scale

20
Q

is a measure of how much damage on earthquake has caused in the surface

A

Intensity

21
Q

shaking is measured using

A

modified mercalli scale

22
Q

use I-XII to describe the rate of an earthquake

A

modified mercalli scale

23
Q

a big solid rock composed of continental and oceanic lithosphere

A

Tectonic plate

24
Q

a process in which one edge of the plate is forced down below another plate

A

Subduct

25
Q
A
26
Q
A

Science (2 decks)

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