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2021 Puerto Rico Participation Totals

participants were registered in the 2021 Great Puerto Rico ShakeOut (as of 07/01/2022 4:15 AM AST).

View statistics by ShakeOut year:


Participation totals for each area Total

© 2022 Southern California Earthquake Center (SCEC), headquartered at the University of Southern California (USC)
The Great Puerto Rico ShakeOut