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Monitoring Trends in Burn Severity (MTBS) is a joint USGS and USDA Forest Service program that consistently maps the burn severity and extent of large fires across all lands of the US from 1984 to present.
Monitoring Trends in Burn Severity (MTBS) includes all fires 1000 acres or greater in the west and 500 acres or greater in the east. The extent of coverage includes the continental U.S., Alaska, Hawai’i and Puerto Rico. MTBS data are freely available to the public.