SO461, Fall 2016, Quiz 2

 

Figure 1.  Earthquake focal mechanisms.

This region has two distinct types of faults.  Circle the two regions, and then put a box around  one focal mechanism in each and describe the earthquake.

Region

Fault type

Focal plane 1

Focal Plane 2

Fault orientation, motion, why

A

 

 

 

 

 

 

 

B