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WorksheetsEarthquakes
Total questions: 20
Worksheet time: 14mins
The place where an earthquake originates inside the Earth's surface is called...
Epicenter
Focus
Underground
Crust
The place on the Earth's surface, above the origin of the earthquake.
Epicenter
Focus
Surface
Crust
What is the instrument used to measure earthquakes?
Seismograph
Seismologist
Scale
Seismogram
Which city is closest to the epicenter?
A
B
C
Which seismogram represents a city that is far from the epicenter of an earthquake?
New York, NY
Nome, Alaska
Guadalajara, Mexico
Which wave is the most destructive and travels on the surface?
Secondary Wave
Primary Wave
Long Wave
5. Which type of wave travels the fastest?
Primary Wave
Secondary Wave
Long Wave
This is created by earthquakes that occur on the ocean floor.
longshore current
gulf stream
tsunamis
high tide
What scale determines the amount of damage an earthquake causes?
Richter scale
Mercalli scale
Moment magnitude scale
seismographic scale
S-waves can move through which of the following?
Gas
Liquid
Solid
All of these
What is the minimum number of seismograph stations needed to locate an earthquake epicenter?
1
2
3
5
Which wave can travel through all materials?
P - primary
S - secondary
L - Long
Which wave can travel through solids only?
P - Primary
S - Secondary
Surface
Liquefaction is when...
the soil behaves like liquid
the air behaves like a liquid
magma rises to the surface
a large wave of water occurs
Measures the magnitude or size, of an Earthquake
epicenter
focus
Richter scale
Mercalli Scale
What is the measure of the amount of energy released in an earthquake?
Intensity
Epicenter
Magnitude
Seismogram
The boundary between the Earth's crust and asthenosphere:
Lithosphere
Moho
Strike - slip
Troposphere
How do scientists know that the outer core is a liquid?
P waves do not travel through the outer core but S waves do.
S waves do not travel through the outer core but P waves do.
P waves and S waves do not travel through the outer core.
P waves and S waves travel through the outer core.
