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Science > Earthquake > Flashcards

Earthquake Flashcards

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1
Q

Movements of Earth’s crust

A

TECTONICS

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2
Q

Greek word of tectonics

A

TEKTONIKOS

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3
Q

meaning of tektonikos

A

PERTAINING TO CONSTRUCTION

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4
Q

3 main layers of the earth

A

CRUST, MANTLE, CORE

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5
Q

Consists of semiliquid rocks

A

MANTLE

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6
Q

Mantle and the liquid rock

A

LITHOSPHERE

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7
Q

Between the mantle and crust

A

MOHORIVICIC DISCONTINUITY

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8
Q

Extremely hot/solid

A

Inner Core

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9
Q

To be liquid or have liquid properties

A

OUTER CORE

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10
Q

Partly responsible for Earth’s strong magnetic field

A

INNER CORE

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11
Q

Series of seismic waves

A

EARTHQUAKE

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12
Q

Body waves radiate outward in all directions

A

SEISMIC WAVES

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13
Q

Point within the epicenter

A

FOCUS

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14
Q

Geographic point at the surface directly above the focus

A

EPICENTER

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15
Q

The closer the focus,

A

The greater the earthquake

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16
Q

Why is the Philippines prone to earthquakes?

A

=Due to its geographical location
=Located in the ring of fire where lithospheric plates move and collide

17
Q

Dec 15,2019

A

DAVAO DEL SUR STRUCK BY A MAGNITUDE 6.9 EARTHQUAKE

18
Q

PHIVOLCS

A

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY

19
Q

Can travel at speeds of up 800kn/h

A

TSUNAMI

20
Q

Earthquake generally occur in areas where

A

FORCE ON ROCK IS WEAK

21
Q

Long crack in the earth

A

Fault line

22
Q

Measure and read vibrations

A

Seismograph

23
Q

How many active and inactive volcanoes

A

100,000

24
Q

Measure magnitudes

A

Richter scale

25
Q

Occurs at divergent plate boundaries

A

SEAFLOOR SPREADING

26
Q

As the plates are carried in opposite directions, the rocks that line the boundary are crushed. This creates a

A

Fault valley

27
Q

Mount everest located in

A

Tibet or Nepal

Science (15 decks)

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