The authors’ pointwise response to the comments raised by Paolo Gasperini and Barbara Lolli is given below. For the sake of brevity, we will refer hereafter to their comments as G&L.

First, Das et al. (2012) derived the general orthogonal regression (GOR) relation between mb and Mw following the minimization procedure as described by Fuller (1987) for error variance ratio (η) value equal to one. In order to obtain an estimate of the dependent variable (Mw) from the derived GOR line for any observed value of the independent variable (mb,obs),...

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