On the origin of the distance-depth correction Q(Δ,h) of the mb formula: An update
Nooshin Saloor, Northwestern University, Evanston, United States, Emile Okal, Northwestern University, Department of Earth and Planetary Sciences, Evanston, United States and Amir Salaree, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, MI, United States
