WorksheetsChapter 19 Earthquakes
Total questions: 18
Worksheet time: 18mins
A city is located over an active fault but has not experienced an earthquake over a long time. It is most likely found where?
over a seismic gap
in an area of low recurrence
at a location of low seismic risk
over minimal strain accumulation
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 wave is the most destructive and travels on the surface?
Secondary Wave
Primary Wave
Surface 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
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
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
