1. King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
2. Department of Earth Sciences, University of Geneva, Geneva, Switzerland.
3. Swiss Seismological Service, ETH-Zürich, Zürich, Switzerland.
4. GFZ German Research Centre for Geosciences, Telegrafenberg, Potsdam, Germany.
5. Department of Physics and Astronomy, Alma Mater Studiorum-University of Bologna, Bologna, Italy.