1. Ecole normale supérieure, Department of Geosciences; PSL Research University; Paris France
2. Institute of Geophysics and Tectonics, School of Earth and Environment; University of Leeds; Leeds UK
3. CEA, DAM, DIF; Arpajon France
4. IRSN/PRP-DGE/SCAN/BERSSIN; Fontenay-aux-Roses France