This review assesses the contributions and impact that Gan class="sc">EOPHYSICSan> journal has made to both the theory and the applications of exploration geophysics during its publication life span. The contributions are evaluated first on the basis of Journal Citation Reports data, which summarize information available since 1975 about the impact factor of our journal. The impact factor for Gan class="sc">EOPHYSICSan> in 1975–2002 has ranged between 1.461 and 0.591, with an average of 0.924 and with a relative ranking between 16 and 45 for all journals in its category. The journal receiving the highest impact factor for the period 2000–2003 in the “Geochemistry and Geophysics” category is Reviews of Geophysics, with an average impact factor of 7.787 and which ranged between 9.226 and 6.083.
A second and important criterion is the frequency with which individual papers published in Gan class="sc">EOPHYSICSan> have been cited elsewhere. This information is available for the entire publication history of Gan class="sc">EOPHYSICSan> and supports the choices made for the early classic papers. These were listed in both the Silver and the Golden Anniversary issues of Gan class="sc">EOPHYSICSan>.
In August 2004, the five most-cited papers in Gan class="sc">EOPHYSICSan> published in the time period 1936 to February 2003 are Thomsen (1986) with 423 citations, Constable et al. (1987) with 380 citations, Cagniard (1953) with 354 citations, Sen et al. (1981) with 313 citations, and Stolt (1978) with 307 citations. Fifteen more papers exceed a threshold value of 200 citations.
During 2000–2002, Gan class="sc">EOPHYSICSan>, Geophysical Prospecting, Geophysical Journal International, and Journal of Applied Geophysics were the four journals with the highest number of citations of papers published in Gan class="sc">EOPHYSICSan>. In the same 2000–2002 period, those journals in which papers published in Gan class="sc">EOPHYSICSan> are cited most are Gan class="sc">EOPHYSICSan>, Geophysical Prospecting, Geophysical Journal International, and Journal of Geophysical Research. During 1985, the total number of citations in all journals in the Science Citation Index database to papers published in Gan class="sc">EOPHYSICSan> was 2657. By 2002, this same citation count for Gan class="sc">EOPHYSICSan> had increased to 4784.
