1. 1COMET, Department of Earth Sciences, University of Oxford, Oxford, United Kingdom
2. 2Institute of Seismology and Physics of the Atmosphere, National Academy of Sciences of Turkmenistan, Aşgabat, Turkmenistan
3. 3Friedrich Schiller University Jena, Institute of Geological Sciences, Jena, Germany
4. 4Department of Geography, University of Sheffield, Sheffield, United Kingdom
5. 5Department of Earth, Planetary, and Space Sciences, University of California Los Angeles, Los Angeles, California, U.S.A.
6. 6Institute of Archaeology, Oxford, United Kingdom