An earthquake's epicenter is _____.

the place on the surface directly above the focus.

What is an earthquake?

A series of low frequency shock waves

The strike of a fault describes

the compass orientation of a fault looking top-down

What are aftershocks?

The smaller earthquakes that follow the main earthquake.

The dip of a fault describes

the angle from horizontal of a fault surface

A fracture in the earth where movement has occurred

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BJU Earth Science Ch 6: Earthquakes

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Answers

1
the scale that measures the magnitude of an earthquake
richter scale
focus
seismograph
epicenter
2
What can cause an earthquake?
big,underground explosion
a volcanic eruption
a meteor impact
all of the above
3
What things can happen during an earthquake?
Tornados
Fires
Landslides
Tsunamis
4
An earthquake's epicenter is _____.
the spot along the nearest fault
the place on the surface directly above the focus.
the spot below the focus
a spot halfway between the focus and the surface.
5
Which of the following it used to just detect earthquakes?
seismograph
seismometer
seismogram
seismotracker
6
underground center of an earthquake
fault
tephra
epicenter
focus
7
What is an earthquake?
A series of low frequency shock waves within the mantel of a volcano
A series of mid frequency shock waves
A series of low frequency shock waves
A series of high frequency shock waves
8
______ includes a seismometer and a way to record the changing earth waves.
seismometer
seismograph
seismogram
seismotracker
9
The strike of a fault describes
the direction that a fault moves in
the compass orientation of a fault looking top-down
the angle from horizontal of a fault surface
10
How many seismic stations are needed to locate an earthquake epicenter?
10
2
1
3
11
A scale used to measure the intensity of an earthquake.
mercalli scale
richter scale
epicenter
geiger scale
12
What are aftershocks?
Earthquakes that take place before the main earthquake.
Medical condition where victims imagine the earth is shaking
Triggered by fallen powerlines after the earthquake has hit.
The smaller earthquakes that follow the main earthquake.
13
The dip of a fault describes
the angle from horizontal of a fault surface
the direction that a fault moves in
The compass orientation of a fault when you look top-down at it
14
A fault is....
place on Earth where earthquakes cannot occur
A fracture in the earth where movement has occurred
Another name for an earthquake
Earth’s surface where structures move during an earthquake
15
Which kind of stress is most likely to cause an earthquake?
Tension stress
Dip-slip stress
Shear stress
Compression stress

BJU Earth Science Ch 6: Earthquakes Flashcards | StudBud