1. Department of Palaeontology, Eötvös University, Budapest, Hungary
2. MTA-ELTE Geological, Geophysical and Space Science Research Group, Budapest, Hungary
3. ELKH FI Kövesligethy Radó Seismological Observatory, Budapest, Hungary
4. Department of Medieval Studies, Central European University, Budapest, Hungary
5. Institute of Earth Sciences, University of Silesia, Sosnowiec, Poland