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National Landslide Damages and Losses

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:56 PM | Dataset Last Updated: November 19, 2025 at 12:00 AM
This National Landslide Damages and Losses (NLDL) database was developed by extracting relevant information across the U.S. and compiling it within a consistent framework and database structure. Information on economic losses, fatalities, and key event characteristics was extracted from a variety of sources, including but not limited to U.S. Geological Survey (USGS) Open-File reports, state and county hazard mitigation plans, state geological survey reports, risk assessments, and Federal Emergency Management Agency (FEMA) OpenFEMA data. The current version includes 5,687 records from 131 sources, where each record corresponds either to an individual landslide event or to a collection of landslides. For each record the event location, event timing, reported landslide characteristics, as well as damage and loss information is reported where available, and relevant dollar amounts have been adjusted for inflation. This documentation provides definitions and concepts employed in the database, as well as details on the organization, database structure, attributes, and sources of information to aid in interpretation and analysis

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