# Horizontal PGA Estimates for Varying Deep Geological Conditions--A Case Study of Banja Luka
## Abbreviations  
The following abbreviations are used in this manuscript: \begin{tabular}{l l} \(a_{\text{g}}\) & Horizontal PGA value from the official seismic hazard map \\ EC8 & Eurocode 8 \\ GMPEs & Ground Motion Prediction Equations \\ PGA & Peak ground acceleration \\ PSHA & Probabilistic Seismic Hazard Assessment \\ \(s\) & Deep geology parameter \\ \(S\) & Soil factor according to Eurocode 8 \\ \(s_{\text{L}}\) & Local soil parameter \\ \(T_{\text{F}}\) & Return period \\ \(V_{\text{S}}\) & Average shear wave velocity \\ \end{tabular}   
* [PERSON] et al. (2015) [PERSON]; [PERSON]; [PERSON] Effects on amplification of strong ground motion due to deep soils. _Geomech. Eng._**2015**, \(8\), 663-674. [CrossRef]
* _EN 1998-1/NA:2018_; Seismic Zone Maps and Reference Ground Accelerations Therein of B&H, BAS. Maps Accompanying National Annexes (NA). 2018. Available online: [[http://eurokodovi.ba/seizmika/](http://eurokodovi.ba/seizmika/)]([http://eurokodovi.ba/seizmika/](http://eurokodovi.ba/seizmika/)) (accessed on 1 May 2025). * [PERSON] et al. (2021) [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Compilation of the seismic hazard maps in Bosnia and Herzegovina. _Soil Dyn. Earthq. Eng._**2021**, _141_, 106500, Erratum in _Soil Dyn. Earthq. Eng._**2023**, _164_, 107633. [[https://doi.org/10.1016/j.soildyn.2022.107633](https://doi.org/10.1016/j.soildyn.2022.107633)]([https://doi.org/10.1016/j.soildyn.2022.107633](https://doi.org/10.1016/j.soildyn.2022.107633)). [CrossRef]
* [PERSON] and [PERSON] (2025) [PERSON]; [PERSON] Limitations of Mw and M Scales: Compelling Evidence Advocating for the Das Magnitude Scale (Mwg)--A Critical Review and Analysis. _Indian Geotech. J._**2025**, _in press._ [CrossRef]
* [PERSON] et al. (2023) [PERSON]; [PERSON]; [PERSON] Regression relationships for conversion of body wave and surface wave magnitudes toward Das magnitude scale, Mwg. _Nat. Hazards_**2023**, _117_, 365-380. [CrossRef]
* [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] A Seismic Moment Magnitude Scale. _Bull. Seismol. Soc. Am._**2019**, _109_, 1542-1555. [CrossRef]
* [PERSON] et al. (2025) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] UHS estimates for vertical strong ground motion and varying deep geological site surroundings--A case study of the city of Banja Luka. 2025; _submitted for publication_. * [PERSON] et al. (2025) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Horizontal UHS predictions for varying deep geology conditions--A case study of the city of Banja Luka. _Sustainability_, **2025**; _submitted for publication_. * [PERSON] et al. (2025) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] PGA estimates for vertical ground motion and varying deep geology site surroundings--A case study of Banja Luka. _Appl. Sci._**2025**, _15_, 6542. [CrossRef]
* [PERSON] et al. (1976) [PERSON]; [PERSON]; [PERSON]; [PERSON] Relationships of maximum acceleration, maximum velocity, distance from source, and local site conditions for moderately strong earthquakes. _Bull. Seismol. Soc. Am._**1976**, _66_, 1323-1342. [CrossRef]
* [PERSON] et al. (1976) [PERSON]; [PERSON]; [PERSON] Site-dependent spectra for earthquake-resistant design. _Bull. Seismol. Soc. Am._**1976**, _66_, 221-243. [CrossRef]
* [PERSON] et al. (1991) [PERSON]; [PERSON]; [PERSON]; [PERSON] On the correlation of Mercalli-Cancani-Sieberg intensity scale in Yugoslav with the peaks of recorded strong earthquake ground motion. _Eur. Earthq. Eng._**1991**, \(5\), 27-33. * [PERSON] and [PERSON] (1993) [PERSON]; [PERSON] Empirical scaling of Fourier amplitude spectra in former Yugoslavia. _Eur. Earthq. Eng._**1993**, \(7\), 47-61. * [PERSON] and [PERSON] (1994) [PERSON]; [PERSON] Empirical scaling of response spectra in former Yugoslavia.