Name: ___________________________
Pd. ___________
Eff. ________/5
Ch. 2 Sec. 1
Earthquakes Occur Along Faults
1. Please define the following terms in the box provided.
Fault
Stress
Earthquake
2. Please answer the following questions:
The strength of an earthquake depends on 2 things. These two things are:
1.
2.
Where do the majority of earthquakes occur?
Why don’t earthquakes occur in the asthenosphere?
3. What happens at each of these faults?
Normal Faults
Reverse Faults
Strike-Slip Faults
Hmm...how well were you listening?
Do you remember...
4. What causes stress in rocks?
5. What would be considered a really a really strong earthquake? (HINT: think of numbers on
the Richter Scale)
6. What is the belt known as where most earthquakes and volcanoes form?
7. At what type of boundary do most normal faults occur?
8. At what type of boundary do most reverse faults occur?
9. At what type of boundary do most strike-slip faults occur?
Name: __________________________
Pd. ____________
Eff. _________/5
Ch. 2 Sec. 2
Earthquakes Release Energy
Please define the following terms in the boxes provided.
Seismic Waves
Focus
Epicenter
Seismograph
Please answer the following questions.
 There are three types of waves. What are the three types? (Please describe each one too—
what are a few important characteristics of each one?)
1.
waves-
2.
waves-
3.
waves-
 When locating the epicenter of an earthquake, there are three steps that need to be taken.
The three steps are as follows:
1.
2.
3.
KEY CONCEPTS: Please answer the following questions.
1. Why does the greatest shaking of the ground occur near an earthquake’s epicenter?
2. What information do you need to completely describe where an earthquake started?
3. What types of information can a scientist get by studying seismograms?
4. How are primary waves and secondary waves similar? How are they different?