BSHAP seismic source characterization models for the Western Balkan region

Date

2017-10-01

Author

MİHALJEVİC, Jadranka
ZUPANCİC, Polona
KUKA, Neki
KALUDEROVİC, Natasa
KOÇİ, Rexhep
MARKUŠİC, Snjezana
ŠALİC, Radmila
DUSHİ, Edmond
BEGU, Enkela
DUNİ, Llambro
ZİVCİC, Mladen
KOVACEVİC, Svetlana
IVANCİC, Ines
KOVACEVİC, Vladan
MİLUTİNOVİC, Zoran
VAKİLİNEZHAD, Marjan
FİKET, Tomislav
Gülerce, Zeynep

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This manuscript presents the seismic source characterization models that were developed and used for the Western Balkan region in the framework of Harmonization of Seismic Hazard Maps in the Western Balkan Countries Project (BSHAP II) funded by NATO-Science for Peace and Security Program. Relevant knowledge about the geological and seismotectonic structure of Western Balkans and surrounding region was collected and utilized along with the BSHAP focal mechanism database and the BSHAP earthquake catalogue (Markusic et al. in Bull Earthq Eng 14(2): 321-343, 2016. doi: 10.1007/s10518015- 9833-z) to delineate seismic source models for different purposes. The super zone model of large zones bounds the regions with similar seismotectonic characteristics and catalogue completeness levels and was used for calculating the regional b-value of the magnitude recurrence relationship. Additionally, two models of smaller zones that represent the epistemic uncertainty in source geometry, maximum magnitude and style-of-faulting, were developed to be employed in the two-stage (circular and elliptical) smoothing procedure. Sets of sensitivity analyses are performed to support final estimates of some models' parameters affecting the smoothed seismicity rate. The seismic source models and the logic-tree presented here are to be implemented in the probabilistic seismic hazard assessment for the seismic hazard maps of the Western Balkan region.

Subject Keywords

Spatial smoothing, Maximum magnitude, Focal mechanism solutions, Magnitude recurrence relationship, Western Balkan region, Seismic source models, BSHAP

URI

https://hdl.handle.net/11511/38716

Journal

BULLETIN OF EARTHQUAKE ENGINEERING

DOI

https://doi.org/10.1007/s10518-017-0143-5

Collections

Department of Civil Engineering, Article

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Citation Formats

J. MİHALJEVİC et al., “BSHAP seismic source characterization models for the Western Balkan region,” BULLETIN OF EARTHQUAKE ENGINEERING, pp. 3963–3985, 2017, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38716.