1. Department of Earth Science & EngineeringImperial College LondonLondon UK
2. Department of Geology, University of LeicesterLeicester UK
3. Sorbonne Universités, ISTEP UPMC, UMR7193 CNRS Paris France
4. Seismological and Volcanological Observatory CenterDhamar Yemen
5. Addis Ababa UniversityAddis Ababa Ethiopia
6. Institut de Physique du Globe de Strasbourg, UMR 7516, Université de Strasbourg/EOST Strasbourg Cedex France
7. School of Earth SciencesUniversity of BristolBristol UK
8. National Oceanography Centre SouthamptonUniversity of SouthamptonSouthampton
9. Eritrea Institute of TechnologyAsmara Eritrea
10. Goethe University FrankfurtFrankfurt Germany
11. School of Earth and EnvironmentUniversity of LeedsLeeds UK