The group is composed of researchers, professionals and students involved in study of impact sites.
[1][2] IFSG's web site is hosted by the Department of Earth and Planetary Sciences at University of Tennessee, Knoxville.
IFSG member David Rajmon maintains for the organization a list which was originally called the Suspected Earth Impact Sites (SEIS) list from 2004 to 2009.
The list retains rejected entries because they tend to be submitted repeatedly.
[5] IFSG arranges field trips to impact-related sites.