USGS Updates Burn Severity Portal Data
The USGS released 2026 third quarter updates to improve map consistency and expand wildfire data access nationwide.
Updated on Oct. 21, 2026 in Geography
Live Poll
Do you believe greater public access to wildfire mapping data improves your community's disaster resilience?
In the third quarter of 2026, the USGS updated its Burn Severity Portal with significant mapping additions and archive improvements. The update aims to increase map consistency while expanding available data for wildfire monitoring projects.
Why it matters
Enhanced data access and improved map accuracy support researchers and emergency responders who rely on precise wildfire impact assessments. These updates ensure that public environmental records remain consistent across various federal project archives.
The Q3 2026 update added 315 fires to the Monitoring Trends in Burn Severity archive, alongside 25 fires for the Burned Area Emergency Response project and 67 datasets for the Rapid Assessment of Vegetation Cover After Wildfire project.
The players
USGS
The United States Geological Survey is a federal scientific agency that monitors landscapes, natural hazards, and the biological health of the nation.
National Park Service
The National Park Service is the federal bureau within the Department of the Interior responsible for managing and preserving protected natural and historical areas.
The details
The portal update also included re-issuing hundreds of fire maps and datasets to refine accuracy, including 221 maps for Monitoring Trends and 30 datasets for the National Park Service. Users can now utilize the portal for the direct download of fire occurrence and polygon products, or access raster mosaics organized by year and geographic extent.
Timeline
1984 to present: The period covered by the Monitoring Trends in Burn Severity project.
2026: The year in which two fires were added for the Provisional Initial Assessment project.
2026 Q3: The timeframe when the portal released these data updates and mapping improvements.
Deeper Dive
This release follows the established pattern of regular data updates and archiving for the Monitoring Trends in Burn Severity project. The portal continues to integrate historical fire data into a unified, accessible national framework.
Researchers and land managers gain access to more accurate and standardized fire history data for conducting risk assessments and land restoration planning. These tools enable more precise tracking of fire impacts on vegetation, which helps inform future ecological preservation strategies.
The takeaway
Maintaining consistent wildfire data is critical for understanding long-term environmental changes across the country. Users should verify that they are utilizing the most recent re-issued datasets to ensure their analysis aligns with current federal standards.
Further reading
For more information on national mapping efforts, visit the United States Geography section.
Source note: This article includes information reported by USGS.
Live Poll
Do you believe greater public access to wildfire mapping data improves your community's disaster resilience?
