def get_mean_and_stddevs(self, sites, rup, dists, imt, stddev_types):
        """
        Using a minimum distance of 5km for the calculation.
        """

        dists_mod = copy.deepcopy(dists)
        dists_mod.rrup[dists.rrup <= 5.] = 5.

        return super().get_mean_and_stddevs(
            sites, rup, dists_mod, imt, stddev_types)