Glencoe Earth Science

Chapter 11: Earthquakes

Earthquakes

1.
The place where an earthquake originates is called the __________.
A)tsunami
B)focus
C)epicenter
D)fault line
2.
In the shadow zone, seismic waves are __________.
A)speeding up
B)not detected
C)disappearing
D)slowing down
3.
Earthquakes occur when rocks __________.
A)break
B)compress
C)stretch
D)bend
4.
Which wave type can pass through the solid inner core?
A)primary
B)seismic
C)secondary
D)surface
5.
Rocks sliding past each other are a display of __________ forces.
A)shear
B)normal
C)tension
D)compression
6.
Which layer of Earth is plasticlike?
A)outer core
B)upper mantle
C)crust
D)inner core
7.
Earthquakes are more likely to occur in __________.
A)northern Africa
B)every location equally
C)western South America
D)northern Russia
8.
The __________ of an earthquake is located on Earth's surface directly above the earthquake's origin.
A)seismogram
B)focus
C)epicenter
D)seismic point
9.
One rock surface hanging over an adjacent rock surface might indicate that __________ fault action has occurred.
A)reverse
B)normal
C)strike-slip
D)compression
10.
Readings need to be taken from at least __________ to determine the origin of an earthquake.
A)two stations
B)three stations
C)four stations
D)one station
11.
Forces of __________ result in rocks being stretched apart.
A)normal
B)shear
C)tension
D)compression
12.
A __________ is used to measure seismic waves.
A)barometer
B)seismograph
C)seismogram
D)seismologist
13.
A person who studies earthquakes is called a(n) __________.
A)seismologist
B)astronomer
C)cartographer
D)meteorologist
14.
The San Andreas Fault is the largest fault of this kind in California.
A)compression
B)strike-slip
C)reverse
D)normal
15.
The Mercalli Intensity Scale measures an earthquake's __________.
A)magnitude
B)level of destruction
C)strength
D)duration
16.
Which type of seismic wave travels the fastest?
A)surface
B)primary
C)tsunami
D)secondary
17.
Mountains are formed on the __________.
A)crust
B)upper mantle
C)inner core
D)outer core
18.
__________ faults are formed by forces of tension.
A)Reverse
B)Compression
C)Strike-slip
D)Normal
19.
A(n) __________ is caused by underwater earthquakes.
A)tsunami
B)epicenter
C)seismogram
D)Moho
20.
__________ waves produce the most earthquake destruction.
A)Primary
B)Secondary
C)Surface
D)Tsunami