1. Helmholtz‐Centre Potsdam GFZ German Research Centre for Geosciences Potsdam Germany
2. Schmidt Institute of Physics of the Earth Russian Academy of Sciences Moscow Russia
3. School of Geosciences and Info‐Physics Central South University Changsha China
4. Department of Mathematics and Geoscience University of Trieste Trieste Italy
5. Earth Science Department Utrecht University Utrecht Netherlands
6. Geology and Geophysics Department King Saud University Riyadh Saudi Arabia
7. National Research Institute of Astronomy and Geophysics (NRIAG) Helwan Cairo Egypt