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3b) Comparison with previous models: Comparison with the 2010 USGS preliminary model

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 08:13 PM | Dataset Last Updated: April 24, 2026 at 12:00 AM
A comparison of the 2017 USGS South America seismic hazard model and the 2010 USGS South America seismic hazard model was made to see how the models differ. The comparison was made as the ratio of PGA at 10% probability of exceedance in 50 years.

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