1. CNR‐IGG Consiglio Nazionale delle Ricerche Istituto di Geoscienze e Georisorse Firenze Italy
2. Helmholtz‐Centre Potsdam GFZ German Research Centre for Geosciences Potsdam Germany
3. Institute of Geosciences University of Potsdam Potsdam Germany
4. Dipartimento di Scienze della Terra Università di Firenze Firenze Italy
5. School of Ocean and Earth Science University of Southampton Southampton UK
6. School of Earth Sciences Addis Ababa University Addis Ababa Ethiopia