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Acta Geodaetica et Geophysica

, Volume 53, Issue 2, pp 309–321 | Cite as

Preliminary Moho depth determination from receiver function analysis using AlpArray stations in Hungary

  • Dániel Kalmár
  • Bálint Süle
  • István Bondár
  • the AlpArray Working Group
Original Study
  • 116 Downloads

Abstract

Receiver function analysis is applied to the western part of the Pannonian Basin, a rather complex region both geologically and geodynamically. Previous receiver function analyses in this region had to deal with much smaller station density and time span than those available to us. In the analysis we used the data of some 48 seismological stations. These include not only the permanent stations from Hungary and permanent stations from neighbouring countries (Slovakia and Slovenia), but also the temporary broadband stations that were installed within the framework of the AlpArray project. Having applied rather strict manual quality control on the calculated radial receiver functions we stacked the receiver functions. Using the H–K grid search method we determined the Moho depth and the Vp/Vs ratio beneath the seismological stations in the western part of the Pannonian Basin. The unprecedented density of the AlpArray network, combined with the permanent stations, allowed us to derive high resolution Moho and Vp/Vs maps for the West Pannonian Basin, together with uncertainty estimates. Our preliminary results agree well with previous studies and complement them with finer details on the Moho topography and crustal thickness.

Keywords

Pannonian Basin AlpArray project Receiver function analysis Moho discontinuity 

Notes

Acknowledgements

The reported investigation was supported by the National Research, Development and Innovation Fund (No. K124241). Waveforms were used from the AlpArray temporary network ( https://doi.org/10.12686/alparray/z3_2015), from the Hungarian National Seismological Network ( https://doi.org/10.14470/uh028726), the Slovak National Seismological Network ( https://doi.org/10.14470/fx099882) as well as the Slovenian National Seismological Network ( https://doi.org/10.7914/sn/sl). We would like to thank to the authors of Generic Mapping Tools (GMT) software (Wessel and Smith 1998). The authors thank the two anonymous reviewers whose comments helped to improve the paper.

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Copyright information

© Akadémiai Kiadó 2018

Authors and Affiliations

  • Dániel Kalmár
    • 1
    • 2
  • Bálint Süle
    • 2
  • István Bondár
    • 2
  • the AlpArray Working Group
  1. 1.Department of Geophysics and Space Science, Institute of Geography and Earth SciencesEötvös Loránd UniversityBudapestHungary
  2. 2.Kövesligethy Radó Seismological Observatory, Geodetic and Geophysical Institute, Research Centre for Astronomy and Earth SciencesHungarian Academy of Sciences (MTA CSFK GGI KRSZO)BudapestHungary

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