1. Interactive map

2. Earth’s Crust in Motion
Section 5-1

3. Earthquake
Shaking that results from rock movement below Earth’s surface

4. Stress

5. Stress
Force that acts on Earth’s crust to change its shape or volume

6. 3 kinds of stress
Shearing
One rock, Two directions.

7. 3 kinds of stress
Tension
Stretches rock

8. 3 kinds of stress
Compression
Squeezes rock

9. Let’s Review!!!

10. Fault Break in rock Caused by stress
Slabs of crust slip past each other
Usually occur at plate boundaries

11. 3 kinds of FAULTS Shearing → Strike-slip faults
Slip past sideways, no vertical motion
“Transform boundary” at plate boundaries

12. Strike-Slip Fault

13. Strike-Slip Fault

14. Strike-Slip Fault

15. Strike-Slip Fault

16. 3 kinds of FAULTS Tension → Normal faults At an angle
Above fault = Hanging Wall (slips down↓↓)
Below Fault = Footwall

17. Normal Fault

18. Normal Fault

19. Normal Fault

20. 3 kinds of FAULTS Compression → Reverse faults At an angle
Hanging Wall (slips up↑↑↑)

21. Reverse Fault

22. Reverse Fault

23. Let’s Review
What kind of fault?
What kind of stress?

24. Let’s Review
What kind of fault?
What kind of stress?

25. Let’s Review
What kind of fault? What kind of stress?

26. Homework: Read 5-1 Complete 5-1 R/R & Enrich Due Friday