Name ___________________
Date ________
Period ______
1.
Shearing is the force in Earth’s crust that a.
Squeezes the crust together b.
Pushes the crust in opposite directions c.
Forces the crust to bend and fold d.
Stretches the crust apart
2.
When the hanging wall of a fault slips downward with respect to the footwall, the result is a a.
Reverse fault b.
Syncline c.
Normal fault d.
Strike-slip fault
3.
A seismograph measures a.
The depth of an earthquake b.
Friction forces along a fault c.
Ground motion during an earthquake d.
Movement along a fault
4.
Geologists use the difference in the arrival times of P waves and S waves at a seismograph to determine a.
The magnitude of the earthquake b.
The depth of the earthquake’s focus c.
The strength of the surface waves d.
The distance to the epicenter
5.
To monitor the upward movement along a fault, geologists would probably use a a.
Laser-ranging device b.
Tiltmeter c.
Seismograph d.
Creep meter
If the statement is true write true, if it is false change the underlined word to make it true.
6.
Deformation is the breaking, tilting, and folding of rocks caused by liquefaction.
7.
Rock uplifted by strike-slip faults creates fault-block mountains.

8.
An earthquake’s epicenter is located deep underground.
9.
As S waves move through the ground, they cause it to compress and then expand.
10.
Tsunamis are triggered by earthquakes originating beneath the ocean floor.
11.
How does stress affect earth’s crust?
12.
Explain the process that forms a fault-block mountain.
13.
What type of stress in the crust results in the formation of folded mountains?
14.
What are plateaus and how do they form?

15.
Explain how the moment magnitude and Richter scales of earthquake measurement are similar and how they are different.
16.
When geologists monitor a fault, what kinds of data do they collect? Explain.
17.
You are a geologist studying earthquake risk in an eastern state. Your data show that a major earthquake might happen there within 10 years. Write a letter to the governor of your state explaining why there is an earthquake hazard there and recommending how your state should prepare for the earthquake.
18.
Copy the concept map on Page 84 about stress in the space below.
Then, complete it and add a title.

19.
In what order do the seismic waves arrive at the seismograph station? Which type of seismic wave produces the largest ground movement?
20.
What is the difference in arrival times for the P waves and S waves?
21.
What would the seismograph record look like several hours after this earthquake? How would it change if an aftershock occurred?
22.
If the difference in arrival times for P waves and S waves is 5 minutes longer at a second seismograph station than at the first station, what can you conclude about the location of the second station?
23.
How would you classify a fault in which the hanging wall has slid up and over the footwall?
24.
Compare and contrast P waves and S waves.
25.
A community has just built a street across a strike-slip fault that has frequent earthquakes. How will movement along the fault affect the street?

26.
If you were building a house in an earthquake-prone area, what steps would you take to limit potential damage in an earthquake?