35.19. Probabilistic Seismic Hazard Maps (PGA-Based)

Try these first

1. 1.

   What does PGA stand for?

   Hint

   Think of seismic events and what maximum acceleration refers to.

2. 2.

   What is one application of PGA maps?

   Hint

   Consider how these maps inform structural safety.

3. 3.

   What does the PGA map indicate?

   • Soil Composition
   • Ground Acceleration
   • Infrastructure Quality

   Hint

   Focus on the physical effects of earthquakes.

4. 4.

   True or False: A longer return period indicates a higher likelihood of ground shaking.

   • True
   • False

   Hint

   Think about how probabilities work over extended times.

5. 5.

   Given a PGA map for a region, determine how urban planners might alter building codes based on the 2,475-year return period.

   Hint

   Reflect on engineering considerations during extreme events.

6. 6.

   Analyze how the understanding of return periods would influence insurance premium calculations for properties in a high-risk seismic zone.

   Hint

   Consider how risk assessment methodologies work in the insurance industry.