EGU2020-18040, updated on 12 Jun 2020
https://doi.org/10.5194/egusphere-egu2020-18040
EGU General Assembly 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Comprehensive analysis of the March 7, 2019 Somogyszob, Hungary earthquake cluster

Zoltán Wéber1, Barbara Czecze2, Zoltán Gráczer1, Bálint Süle1, Gyöngyvér Szanyi1, István Bondár1, and the AlpArray Working Group
Zoltán Wéber et al.
  • 1Kövesligethy Radó Seismological Observatory, CSFK GGI, Budapest, Hungary (weber@seismology.hu)
  • 2Department of Geophysics and Space Sciences, Institute of Geography and Earth Sciences, Eötvös Loránd University, Budapest, Hungary
A magnitude ML 4.0 earthquake struck southwest Hungary on March 7, 2019. The earthquake was reported to be felt in some 53 localities with maximum intensity V on the EMS scale. The earthquake was preceded by four foreshocks and followed by four aftershocks. The hypoDD solutions using differential travel times from waveform cross-correlation show significant improvements in event location. We were able to determine the moment tensor solutions for the main shock and one of the foreshocks and aftershocks, each representing thrust fault mechanism with a horizontal P-axis pointing towards N-NE. The obtained moment magnitudes range from Mw 1.5 to 3.8 with source radii between 100 and 500 m. The stress drop spans from 12 to 19 bars.
 

How to cite: Wéber, Z., Czecze, B., Gráczer, Z., Süle, B., Szanyi, G., Bondár, I., and Working Group, T. A.: Comprehensive analysis of the March 7, 2019 Somogyszob, Hungary earthquake cluster, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-18040, https://doi.org/10.5194/egusphere-egu2020-18040, 2020