EARTHQUAKES
Name __________________________________ Date _______ Class Period _____
From National Geographic – Forces of Nature
http://environment.nationalgeographic.com/environment/natural-disasters/forces-of-nature/
Page 1:
1. Define earthquake:
2. How many earthquakes occur worldwide?
3. How often do severe earthquakes occur?
4. In what country did the deadliest earthquake ever occur and how many people were killed?
5. Where do most earthquakes occur?
Page 2:
6. Define fault:
7. What event occurred in 1811 and 1812?
8. Where is the largest quake belt?
Page 3:
9. What causes earthquakes?
10. How long and deep is the San Andreas fault?
Page 4:
11. Describe a normal fault.
12. Describe a reverse fault.
13. Describe a strike-slip fault.
14. Describe a dip-slip fault.
Page 5:
15. What is the hypocenter? What is another name for hypocenter?
16. What is the epicenter?
17. What happens when a quake begins?
18. Describe the movement of P waves, S waves and Surface waves.
19. What is a seismograph?
Page 6:
20. How do you pinpoint an epicenter?