Earthquakes and Tectonics Vocab Waves Boundaries General Info Random 100 200 300 400 500

Earthquakes and Tectonics

Vocab WavesBoundaries

General

Info Random

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The point on Earth’s surface directly above the earthquakes focus

Answer

Epicenter

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Energy released in the form of vibrations that travel outward in all directions

from the focus through the surrounding rock

Answer

Seismic Waves

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A primary wave, or compression wave, that causes rock to move in a back and forth motion

Answer

P Waves

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A giant ocean wave that forms after an earthquake

Answer

Tsunami

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A region of numerous, closely spaced faults

Answer

Fault Zone

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A secondary body wave that causes rock to move in a side to side motion

Answer

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S wave

The location within Earth along a fault at which the

first motion of an earthquake occurs

Answer

Focus

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This type of surface wave moves side to

side and perpendicular to the direction the waves are traveling

Answer

Love wave

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This type of surface wave causes the ground to

move with an elliptical, rolling motion

Answer

Raleigh Wave

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The primary, compression wave that moves through solids and liquids

Answer

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P waves

Boundary between two plates that are colliding,

creating a mountain range

Answer

Convergent

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Boundary where two plates are dividing,

creating a mid-ocean ridge

Answer

Divergent

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What is created when two oceanic plates collide?

Answer

An Island Arc

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The boundary between tectonic plates that are sliding past each other

horizontally

Answer

Transform Boundary

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What type of boundary commonly causes

earthquakes?

Answer

Transform Boundary

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Answer

What is the sudden return of elastically deformed rock

to its undeformed shape, causing an earthquake?

Elastic Rebound

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What can studying seismic waves tell

scientists?

Answer

What the layers of the Earth are made of, and where the shadow zones are

located

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What is can be created when an

earthquakes epicenter is on the ocean floor?

Answer

Tsunami

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What is the strength of an earthquake?

Answer

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Magnitude

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What do we call the amount of damage an earthquake does?

Intensity

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What are the two body waves we have learned

about?

Answer

Primary and Secondary waves ( P and S waves)

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What instrument creates a Seismogram?

Answer

Seismograph

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What are the two types of surface waves we learned

about?

Answer

Love and Raleigh Waves

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True or False: The closer a city is to an epicenter, the more likely it is to have

substantial damage

Answer

True

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What are the two scales that measure magnitude?

Answer

Richter scale and moment magnitude

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