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LAB
WHAT IS AN EARTHQUAKE
1. When do earthquakes happen?
2. Thousands of quakes occur every day around the globe, most of them _________ ___________ to be felt.
3. Scientific instruments detect about ________ quakes worldwide.
4. On average, how often do severe earthquakes that cause widespread destruction occur? What are they
referred to as?
5. When and where did the deadliest quake occur?
6. How many people were killed?
7. On average, how many people die as a result of earthquakes?
WHERE DO EARTHQUAKES OCCUR?
8. Most earthquakes occur along fractures in the Earth’s crust called _________. Most faults occur along
the edges of _________ ____________, huge slabs of rock that make up the Earth’s ________________, or
shell.
9. __________________ are earthquakes that happen far from plate boundaries.
10. When do these earthquakes happen?
11. Where is the largest quake belt?
WHAT CAUSES EARTHQUAKES?
12. The Earth’s plates are constantly moving and interacting in a process called __________ ____________.
13. An example of what is shown here?
14. What boundary has caused this fault?
TYPES OF FAULTS
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15. Describe a normal fault
16. Describe a reverse fault.
17. Describe a strike-slip fault.
18. Describe a dip-slip fault.
MEASUREMENT AND RECORDING
19. What is the hypocenter?
20. What is the epicenter?
21. How are waves measured?
22. How are magnitudes assigned?
23. Prevention of earthquakes is likely _________________.
LOCATE AN EARTHQUAKE
24. How did you determine the epicenter from the three recording stations?
TRIGGER AN EARTHQUAKE
25. What happens if an earthquake occurs on bedrock with low magnitude?
26. What happens if an earthquake occurs in a landfill with low magnitude?
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27. What happens if an earthquake occurs at a fault zone with low magnitude?
28. What happens if an earthquake occurs on bedrock with high magnitude?
29. What happens if an earthquake occurs in a landfill with high magnitude?
30. What happens if an earthquake occurs at a fault zone with high magnitude?
MAP
31. Name three hot sites for earthquakes (give the details).
CASE STUDIES
32. Pick one case study out of the six given and write a synopsis on it.