August 28, 2012 Trinity Ridge Fire
August 28, 2012 Trinity Ridge Fire
acquired August 28, 2012 download large natural colour image (4 MB, JPEG, 3600x6000 - left)
acquired August 28, 2012 download natural colour GeoTIFF file (37 MB, TIFF)
acquired August 28, 2012 download large false color image (2 MB, JPEG, 1201x2002 - right)
acquired August 28, 2012 download false color GeoTIFF file (6 MB, TIFF)
acquired August 28, 2012 download Google Earth file (KML)
Trinity Ridge Fire
natural colour
acquired August 28, 2012 download large natural colour image (4 MB, JPEG, 3600x6000)
acquired August 28, 2012 download natural colour GeoTIFF file (37 MB, TIFF)
Trinity Ridge Fire
false color
acquired August 28, 2012 download large false color image (2 MB, JPEG, 1201x2002)
acquired August 28, 2012 download false color GeoTIFF file (6 MB, TIFF)
acquired August 28, 2012 download Google Earth file (KML)

The Trinity Ridge fire was first reported on August 3, 2012, burning in Boise National Forest, about 2 miles (3 kilometers) northwest of Featherville, Idaho. By August 29, it had burned 138,965 acres (56,237 hectares) and was 10 percent contained. Initially the fire spread rapidly northward; since mid-August much of the expansion has been toward the south.

The Advanced Land Imager (ALI) on the Earth Observing- 1 (EO-1) satellite acquired these images of the affected area on August 28, 2012. In the natural color image (top), heavy smoke streams northward. Charred vegetation appears red in the false-color image (bottom); unburned vegetation is green.

By August 23, 2012, more than 1,106,550 acres (447,802 hectares) had burned in Idaho since the beginning of the year, the second most of any state. Oregon was the only state where more land—1,186,920 acres (480,329 hectares)—had burned by the same date.

  1. Reference

  2. Inciweb. (2012, August 29). Trinity Ridge Fire. Accessed August 29, 2012.
  3. National Interagency Fire Center. (2012, August 29). National Year-to-Date Statistics on Fires and Acres Burned by State. Accessed August 29, 2012.

NASA Earth Observatory image by Jesse Allen and Robert Simmon, using EO-1 ALI data provided courtesy of the NASA EO-1 team and the U.S. Geological Survey. Caption by Adam Voiland.

Instrument(s): 
EO-1 - ALI

Trinity Ridge Fire

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