22.13. Earthquake Genesis in Tectonic Settings

Try these first

1. 1.

   What type of earthquakes occur at depths of less than 70 kilometers?

   Hint

   Think about which earthquakes are often felt at the surface.

2. 2.

   What theory explains how earthquakes occur due to stress?

   Hint

   This theory describes rocks breaking after stretching.

3. 3.

   What type of earthquakes primarily occur at divergent boundaries?

   • Shallow
   • Intermediate
   • Deep

   Hint

   Think about earthquakes that happen close to the Earth's surface.

4. 4.

   True or False: Intermediate earthquakes are typically felt on the surface.

   • True
   • False

   Hint

   Recall the depth ranges for various earthquake types.

5. 5.

   Discuss the implications of a megathrust earthquake occurring near a coastal city. What measures can be taken to mitigate the risks associated with such events?

   Hint

   Consider both immediate and longer-term strategies for dealing with potential disasters.

6. 6.

   Analyze how the elastic rebound theory can assist in creating accurate seismic hazard assessments in an earthquake-prone region.

   Hint

   Think about how historical data can provide insight into future seismic activity.