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Gridded earthquake ground motions for the 2023 ASCE/SEI 41 Standard

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:44 AM | Dataset Last Updated: June 30, 2025 at 12:00 AM
The multi-period BSE-1E and BSE-2E response spectra for the 2023 ASCE 41 Standard are derived from the downloadable data files. For each site class, 5% in 50 year uniform hazard spectral accelerations and 20% in 50 year uniform hazard spectral accelerations are provided for 22 spectral periods.

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