There are at least two bands with this name:
These are photos from concerts where Unearth played, so they may be of other bands that played the concert as well.
Whitechapel / The Acacia Strain / Protest the Hero / Unearth / Gwen Stacy Oct 14, 2008 Los Angeles, California, United States Uploaded by Andysoto23
Wacken Open Air 2008 Jul 31 - Aug 2, 2008 Wacken, Schleswig-Holstein, Germany Uploaded by Kafroman
Dimmu Borgir / Unearth / Devildriver / Kataklysm May 18, 2008 Tempe, Arizona, United States Uploaded by Anthony Kady