Final answer:
The correct answer is Option 3: Peak Ground Acceleration.
Step-by-step explanation:
The correct answer is Option 3: Peak Ground Acceleration.
In seismic hazard maps, PGA stands for Peak Ground Acceleration. It measures the maximum acceleration that can occur during an earthquake at a specific location. It is a significant parameter used to assess the potential seismic hazard of an area.
For example, a seismic hazard map may use different colors to indicate different levels of PGA, with areas of high PGA indicating a higher risk of strong ground shaking during an earthquake.