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Hawaiian Islands: Projected coastal flooding inundation depths for 0.00, +0.25, +0.50, +1.00-, +1.50-, +2.00-, and +3.00-meter sea-level rise scenarios (ver. 1.1, February 2025)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:57 AM | Dataset Last Updated: March 25, 2026 at 12:00 AM
This data release provides flood depth GeoTIFFs based on potential future sea-level rise (SLR)for the coast of the most populated Hawaiian Islands of O'ahu, Moloka'i, Kaua'i, Maui, and Big Island. Digital elevation models were used to extract SLR flooded areas at 10-m2 resolution along the coastlines for 0.00 m, +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m SLR scenarios.

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