Earthquakes Question Preview (ID: 36350)
Chapter 2.
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Which waves radiate out FIRST from the epicenter of an earthquake?
a) P waves
b) S waves
c) tsunamis
d) radio waves
What is the name of the kind of stress that develops when rock is squeezed until it folds or breaks?
a) shearing
b) tension
c) rift valley
d) compression
Which type of fault occurs when the rock on either side of the faultline slip past each other sideways?
a) A normal fault
b) a reverse fault
c) a fault-block mountain
d) a strike-slip fault
Geologists use a CREEP METER to measure what?
a) vertical movement along a fault
b) time lapsed between earthquakes
c) an earthquake's magnitude
d) horizontal movement along fault
When an earthquake occurs on the ocean floor, the resulting wave is called a:
a) tsunami
b) P wave
c) S wave
d) Surface wave
Deformation is best defined as:
a) shaking and trembling that results from movement of rock beneath Earths surface
b) an instrument that measures ground movement
c) an earthquake's violent shaking that turns loose mud into liquid mud
d) any change in the volume or shape of the Earth's surface
An earthquake that occurs shortly after a larger earthquake is a(n)
a) Fault
b) Aftershock
c) anticline
d) Epicenter
A fold in rock that bends upward into an arch is called a(n)
a) Liquefaction
b) Aftershock
c) Anticline
d) Fault
A deep valley that forms where two plates move apart, like in central Africa, is called a(n)
a) Rift Valley
b) Geologist
c) Fault
d) Syncline
The seismic waves that travel along Earth's surface and produce the most severe ground movements are called
a) Faultline
b) Surface waves
c) liquefaction
d) Rift valley
According to the map, what region of the U.S.would be the safest from the threat of earthquakes?
a) Southern region
b) Western region
c)
d)
Which scale is not a scale that scientists use to measure earthquakes?
a) The Richter scale
b) The Mercalli scale
c) basr-isolated scale
d)
Geologists cannot yet predict earthquakes because:
a) they have to much data
b) they cant be sure when and where stress will be released along a fault
c) they need to know where all past earthquakes occured
d) there are too many faults to monitor
The earthquake' s ____________ is located di.ectly above the focus at the surface of the earth,
a) Anticline
b) Aftershock
c) Epicenter
d)
Which region of our country appears to have the GREATEST RISK of an earthquake?
a) Eastern
b) Western (pacific coast)
c) Southern
d)
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