1. Earthquakes
Chapters 8 & 9

2. Boundaries Divergent boundaries Convergent boundaries
Locations where plates are moving away
Oceanic ridges, rift valleys…
Convergent boundaries
Oceanic – Continental
Oceanic crust is being subducted underneath a continental crust
Locations – S. America, Pacific NW,
Oceanic – Oceanic
Two oceanic crusts are converging, one subducts
Locations – Aleutians (Island Arc), Japan…

3. Boundaries Types of Faults Continental – Continental
Two continental crusts are colliding
Locations – India, eventually northern Africa
Types of Faults
Normal fault – portion moves downward

4. Boundaries Reverse Faults
The hanging wall moves up relative to the footwall

5. Boundaries Transform (Strike-slip) Faults
The plates move horizontal and parallel to each other

6. Transform, Reverse, or Normal?

7. Transform, Reverse, or Normal?

8. Transform, Reverse, or Normal?

9. Transform, Reverse, or Normal?

10. Transform, Reverse, or Normal?