chap 5
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School
Ivy Tech Community College, Indianapolis *
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Course
100
Subject
Geology
Date
Dec 6, 2023
Type
docx
Pages
6
Uploaded by GrandTitanium11150
Question 1
1 / 1 pts
Tsunamis travel at speeds up to
miles per hour.
50
100
Correct!
500
Question 2
1 / 1 pts
On a typical seismogram, ________ will show the highest amplitudes.
body waves
Correct!
surface waves
S waves
P waves
Question 3
1 / 1 pts
The Richter magnitude of an earthquake is determined from the ________.
duration of the earthquake
Correct!
amplitude of the largest seismic wave
arrival time of P and S waves
intensity of the earthquake
Question 4
1 / 1 pts
In the famous 1906 San Francisco earthquake, much of the damage was caused by
fires that became uncontrollable when broken water mains left firefighters with only
trickles of water.
Correct!
True
False
Question 5
1 / 1 pts
Most faults are locked except for brief, abrupt movements when sudden slippage
produces an earthquake.
Correct!
True
False
Question 6
1 / 1 pts
Tsunamis are another name for a tidal wave.
True
Correct!
False
Question 7
1 / 1 pts
Thousands of earthquakes occur around the world every day.
Correct!
True
False
Question 8
1 / 1 pts
The “side-to-side” seismic waves are known as Primary Waves.
True
Correct!
False
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Question 9
1 / 1 pts
The epicenter of an earthquake is on the surface of the Earth directly above the focus.
Correct!
True
False
Question 10
1 / 1 pts
In the famous 1906 San Francisco earthquake, the Pacific Plate moved as much as 32
feet northward, past the adjacent North American plate.
Correct!
True
False
Question 11
1 / 1 pts
Generally, the most destructive seismic waves are:
Primary Waves
Secondary Waves
Correct!
Surface Waves
Question 12
1 / 1 pts
One measurement that is widely used to determine how far the focus of an earthquake
is from the seismograph where it is recorded is ________.
the difference in amplitude between the P and the S wave
Correct!
the difference in travel time between the P and the S wave
the amplitude of the P-wave
the amplitude of the S-wave
Question 13
1 / 1 pts
When an earthquake occurs, energy radiates in all directions from its source. The
source is also referred to as the ________.
epicenter
Correct!
focus
Question 14
1 / 1 pts
What is the name for a small earthquake that occurs prior to a major earthquake?
Epicenter
Tsunami
Correct!
Foreshock
Aftershock
Question 15
1 / 1 pts
The strongest earthquake on record was the 1960 Chilean megathrust earthquake at a
moment magnitude of 9.5.
Correct!
True
False
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