The Geospatial Multi-Agency Coordination Group or GeoMAC, is an internet-based mapping application that displays interactive maps of current fire locations and perimeters in the conterminous 48 States and Alaska. Using a standard web browser the site can be accessed at geomac.gov. 

Learn more:

Living with Fire: The USGS Southern California Wildfire Risk Project

USGS research on wildfire

USGS news on wildfires

USGS activities related to wildfire hazards

USGS research on fire ecology

National Interagency Fire Center