def _compute_slab_correction_term(self, C, rrup):
        """
        Compute path modification term for slab events, that is
        the 8-th term in equation 1, p. 901.
        """
        slab_term = C['SSL'] * np.log(rrup)

        return slab_term
Compute path modification term for slab events, that is
        the 8-th term in equation 1, p. 901.