ten one word question and answer about earthquakes
Answers
Explanation:
Which of the following describes the build up and release of stress during an earthquake?
the Modified Mercalli Scale
the elastic rebound theory
the principle of superposition
the travel time difference
The amount of ground displacement in a earthquake is called the _________ .
epicenter
dip
slip
focus
The point where movement occurred which triggered the earthquake is the _______ .
dip
epicenter
focus
strike
Which of the following sequences correctly lists the different arrivals from first to last?
P waves ... S waves .... Surface waves
Surface waves ... P waves .... S waves
P waves ... Surface waves ... S waves
S waves ... P waves .... Surface waves
How do rock particles move during the passage of a P wave through the rock?
back and forth parallel to the direction of wave travel
back and forth perpendicular to the direction of wave travel
in a rolling circular motion
the particles do not move
Detailed studies of what earthquake allowed researchers to develop the elastic rebound theory?.
the 1906 San Francisco earthquake
the 1964 Anchorage, Alaska earthquake
the 1755 Lisbon, Portugal earthquake
the 1985 Mexico CIty earthquake
How many seismograph stations are needed to locate the epicenter of an earthquake?
1
2
3
4
Earthquakes can occur with _________ faulting.
normal
reverse
thrust
all of these
Approximately what percentage of earthquakes occur at plate boundaries?
25%
50%
75%
90%
Which type of faulting would be least likely to occur along the mid-Atlantic ridge?
normal
reverse
transform
all of these could occur
How often do magnitude 8 earthquakes occur?
about 5 to 10 times per year
about once a year
about every 5 to 10 years
about every 50 to 100 years
The bulk modulus measures ______________.
the resistance to flow of a liquid
the resistance to change in color
the resistance to change in volume
the resistance to change in shape
The shear modulus measures _____________ .
the resistance to flow of a liquid
the resistance to change in shape
the resistance to change in volume of a liquid
the resistance to change in volume of a solid
If only density increases with increasing depth within the Earth, the velocity of a P wave should ___________ .
stay the same
increase
decrease
If a P wave were to go from a solid to a liquid - what would happen to its velocity?
stay the same
increase
decrease to 0.0
decrease
Explanation:
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