RFG 2018 Conference


Interactive map of post-fire debris-flow hazards in the Western United States

The U.S. Geological Survey conducts post-fire debris-flow hazard assessments for many major fires across the Western United States. The information from these assessments is provided in an interactive map, allowing users to view fires by location or name and access detailed maps of debris-flow probability in the area affected by each fire. Users can select fires by year back to 2013.


Wildfires, or wildland fires, are a natural and critical part of forest ecosystems. Fire removes overgrown or dead vegetation and provides diverse habitats for plants and animals; in fact, some trees cannot reproduce without heat from fire to open pinecones and release seeds. However, natural fire processes often come into conflict with human development, resulting in loss of lives, resources, and property.


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