Earthquakes and Tectonics

Vocab WavesBoundaries

General

Info Random

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

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

Answer

Epicenter

Home

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

from the focus through the surrounding rock

Answer

Seismic Waves

Home

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

Answer

P Waves

Home

A giant ocean wave that forms after an earthquake

Answer

Tsunami

Home

A region of numerous, closely spaced faults

Answer

Fault Zone

Home

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

Answer

Home

S wave

The location within Earth along a fault at which the

first motion of an earthquake occurs

Answer

Focus

Home

This type of surface wave moves side to

side and perpendicular to the direction the waves are traveling

Answer

Love wave

Home

This type of surface wave causes the ground to

move with an elliptical, rolling motion

Answer

Raleigh Wave

Home

The primary, compression wave that moves through solids and liquids

Answer

Home

.

P waves

Boundary between two plates that are colliding,

creating a mountain range

Answer

Convergent

Home

Boundary where two plates are dividing,

creating a mid-ocean ridge

Answer

Divergent

Home

What is created when two oceanic plates collide?

Answer

An Island Arc

Home

The boundary between tectonic plates that are sliding past each other

horizontally

Answer

Transform Boundary

Home

What type of boundary commonly causes

earthquakes?

Answer

Transform Boundary

Home

Answer

What is the sudden return of elastically deformed rock

to its undeformed shape, causing an earthquake?

Elastic Rebound

Home

What can studying seismic waves tell

scientists?

Answer

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

located

Home

What is can be created when an

earthquakes epicenter is on the ocean floor?

Answer

Tsunami

Home

What is the strength of an earthquake?

Answer

Home

Magnitude

Answer

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

Intensity

Home

What are the two body waves we have learned

about?

Answer

Primary and Secondary waves ( P and S waves)

Home

What instrument creates a Seismogram?

Answer

Seismograph

Home

What are the two types of surface waves we learned

about?

Answer

Love and Raleigh Waves

Home

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

substantial damage

Answer

True

Home

What are the two scales that measure magnitude?

Answer

Richter scale and moment magnitude

Home