Erratum to: Environ Earth Sci DOI 10.1007/s12665-012-1526-1

In the original publication of the article, one of the reference citations contains an error. The corrected reference citation and the reference are given below:

On page 1 (under “Introduction”, 11th line) “Kockar et al. (2008, 2009)” should be “Kockar and Akgun (2008) and Kockar et al. (2010)”.

On page 14, the reference “Kockar MK, Akgun H, Rathje EM (2009) Evaluation of site conditions for the Ankara Basin of Turkey based on seismic site characterization of near surface geologic materials. Soil Dyn Earthq Eng. doi:10.1016/j.soildyn.2009.05.007” should be “Kockar MK, Akgun H, Rathje EM (2010) Evaluation of site conditions for the Ankara Basin of Turkey based on seismic site characterization of near surface geologic materials. Soil Dyn Earthq Eng 30(1–2):8–20”.