In our article (Ezersky et al. 2013a), in accordance with the request of Editor and Reviewer we expressed our opinion with respect to the structural model of the Dead Sea sinkholes presented in papers of Closson and Abu Karaki (2009a, 2009b). Our comment was a scientific discussion deprived any personal claims on our opponents. We sent our paper to Closson with the aim to receive his response. We were not informed on rebuttal published online in the Environmental Earth Sciences on April 2013. It explains some delay with our comments.