Activating the DG Coverage Overlay for 2004 shows that the image was acquired 2004-08-11, so this information could help finding the incident. I cannot reach digitalglobe at the moment, but the link to the image is http://archive.digitalglobe.com/archive/showBrowse.php?catID=101001000329E501

Cheers
Palmin

PS: First post, so bear with me...