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4 cards from this section. Quick, good the night before a test.
What does PGA stand for?
Remember it relates to measuring earthquake shaking.
Name one earthquake discussed in class.
Think about the ones we mentioned with recorded PGAs.
What is the recorded PGA during the Northridge earthquake?
Think about the maximum ground shaking we discussed.
True or False: A PGA of 0.25g is considered low.
Consider how different PGAs are categorized based on potential damage.
Calculate the potential damage to a structure designed for a PGA of 0.25g when subjected to a 0.91g PGA.
Consider the ratio of the two PGAs.
Discuss how PGA values could influence urban planning and the placement of critical infrastructure in seismic zones.
Think about how historical data can forecast future risks.
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