We thank Alan Douglas (Douglas, 2004) for his thoughtful comments on Myers and Schultz (2000). In Myers and Schultz (2000) we improve seismic location accuracy and uncertainty estimates for a sparse, regional network by improving travel-time predictions and better characterizing residual uncertainties. Station-specific, travel-time corrections and associated uncertainty estimates are calculated using the Bayesian kriging methodology of Schultz et al. (1998). The Bayesian kriging methodology is an empirical approach that exploits the spatial correlation of travel-time residuals to interpolate an empirical (calibration) set of travel-time residuals into a minimum-variance, geographically continuous surface of travel-time corrections and an associated...

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