SEISMOGEOLOGICAL EFFECTS OF STRONG EARTHQUAKES (ML ≥ 6.0) AT THE TERRITORY OF THE REPUBLIC OF NORTH MACEDONIA

Authors

  • Katerina Drogreška Seismological Observatory of the Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Arhimedova 3, Skopje, Republic of North Macedonia
  • Jasmina Najdovska Seismological Observatory of the Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Arhimedova 3, Skopje, Republic of North Macedonia

DOI:

https://doi.org/10.46763/

Keywords:

earthquake; intensity; seismogeological effects

Abstract

Earthquakes are natural processes that, depending on their magnitude, can generate significant seismogeological effects on the Earth's surface as well as within the shallow subsurface environment. This paper focuses on the identification and analysis of seismogeological effects caused by strong earthquakes with magnitudes ML ≥ 6.0, whose epicenters are located within the territory of the Republic of North Macedonia. The study considers the consequences of earthquake activity, including the activation of faults, landslides, soil liquefaction, ground cracks, and changes in hydrogeological conditions. Particular emphasis is placed on the relationship between the geological structure, lithological characteristics, and local site conditions, and their influence on earthquake intensity and the spatial distribution of the observed effects. Based on seismological data and geological indicators, this research highlights the importance of seismogeological investigations for seismic risk assessment and geohazard evaluation. The obtained results are of considerable importance for spatial planning and for reducing the potential impacts of future
earthquakes. 

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References

Ambraseys, N. N. (2001): The Kresna earthquake of 1904 in Bulgaria, Annali di Geofisica, 44 (1)

DOI: 10.4401/ag-3614

Arsovski, M., Hadžievski, D. (1970): Correlation between neotectonics and seismicity of Macedonia, Tectonophysics,9 (2–3), pp. 129–142.

https://doi.org/10.1016/0040-1951(70)90013-2

Arsovski, M. (1996): Tectonics of Macedonia. Faculty of Mining and Geology, University “St. Cyril and Methodius”, Skopje.

Burchfiel, B. C., King, R. W., Todosov, A., Kotzev, V., Dumurdžanov, N., Serafimovski, T., Nurce, B. (2006): GPS results for Macedonia and its importance for the tectonics of the Southern Balkan extensional regime, Tectonophysics, 413, pp. 239–248.

DOI: 10.1016/j.tecto.2005.10.046

Čejkovska, V. (1995): Fault-plane solution for the Skopje earthquake of 26.07.1963. Annuaire Physique. 43/44, pp. 97–107. Seismological Observatory of the Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, Macedonia.

Čejkovska, V. (2011): Introduction of the European Macroseismic Scale – 1998 in the Macroseismological Research of the Seismological Observatory at the Faculty of Natural Sciences and Mathematics in Skopje (in Macedonian). Seismological Observatory of the Faculty of Natural Sciences and Mathematics, University Ss. Cyril and Methodius, Skopje, II, pp. 88, ISBN 978-9989-631-02 3.

Drogreshka, K., Najdovska, J., Delipetrev, M., Delipetrev, R. M. (2024): High seismic activity of Republic of North Macedonia in the period 2015–2020, 12th Congress of the Balkan Geophysical Society, Volume 2024, pp. 1–5,

DOI: https://doi.org/10.3997/2214-4609.202449BGS33

Drogreshka, K., Jovanov, Lj. (2026): Catalog of Earthquake Focal Mechanisms FPsORM 1902–2024, Seismological Observatory of the Faculty of Natural Sciences and Mathematics, University Ss. Cyril and Methodius, Skopje. ISBN 978-608-4762-60-7.

Drogreshka, K., Pekevski, L., Najdovska, J., Chernih, D., Jovanov, Lj., Molerovic, I., Andreeska, M., Todorov, Z. (2026): Catalog of Earthquakes from the Republic of North Macedonia for the Period 1901 ̶ 2023, Seismological Observatory of the Faculty of Natural Sciences and Mathe-matics, University Ss. Cyril and Methodius, Skopje. ISBN:978-608-4762-58-4.

Drogreshka, K., Najdovska, J., Andreeska, M., Molerovic, I., Jovanov, Lj. (2026): Atlas of Earthquake Isoseistic Maps on the Territory of the Republic of North Macedonia for the Period 1901 ̶ 2023. Seismological Observatory of the Faculty of Natural Sciences and Mathematics, University Ss. Cyril and Methodius, Skopje,

ISBN:978-608-4762-59-1.

Dumurdžanov, N., Serafimovski, T., & Burchfiel, B. C. (2004): Evolution of the Neogene–Pleistocene basins of Macedonia. Geological Society of America Digital Map and Chart Series, 1, 1–20.

Hadžievski, D. (1981): Atlas of Isoseismic Maps of Earthquakes in Macedonia from 1901 to 1980. Fund of the Seismological Observatory at the Faculty of Natural Sciences and Mathematics in Skopje, University "St. Cyril and Methodius", Skopje, 533 maps.

Jordanovski, Lj., Pekevski, L., Chejkovska, V., Chernih, D., Hristovski, B., Vasilevski, N. (1998): Basic Caracteristics of Seismology on the Territory of Republic of Macedonia (in Macedonian). Seismological Observatory of the Faculty of Natural Sciences and Mathematics, University Ss. Cyril and Methodius, Skopje, Macedonia, Report No. 1998-01.

Milutinovic, Z., Anastasovska, C. D., Dumurdžanov, N., Salić, R., Drogreška, D., Čejkovska, V., Najdovska, J., Tomić, D. (2017): The devastating earthquake in Valandovo in 1931 (in Macedonian), Porta (Journal of Civil Engineering, Architecture and Ecology), Vol. XII, Iss. 262, pp. 42–45.

Mitrov, T. (1976): Seismic zoning of the Republic of Macedonia – Engineering-Geological Explorations, (in Macedonian), Faculty of Civil Engineering, Institute of Geotechnics, Skopje.

Najdovska, J. (2018), Application of Seismological Methods in Determining the Velocity Model of the Earth’s Crust beneath the Territory of the Republic of Macedonia, Doctoral dissertation, Seismological Observatory at the Faculty of Natural Sciences and Mathematics, Skopje.

Najdovska, J., Drogreška, K. (2025): Crustal structure beneath Republic of North Macedonia based on receiver function analysis, Geologica Macedonica, 39(2), 139–147. https://doi.org/10.46763/GEOL2532139n

Poceski, A. (1969): The ground effects of the Skopje July 26, 1963 earthquake, Bulletin of the Seismological Society of America (1969) 59(1), 1–22. https://doi.org/10.1785/BSSA0590010001.

Shyqyri, A. (2021): Seismotectonics of Vlora–Elbasani–Dibra transversal fault zone (Albania). A review. Earth Sciences, 10 (6), pp. 46–357.

DOI: 10.11648/j.earth.20211006.20.

Sulstarova, E., Kociaj, S. (1980): The Dibra (Albania) earthquake of November 30, 1967, Tectonophysics, 67 (3–4), 333–343.

https://doi.org/10.1016/0040-1951(80)90273-5

Study on the engineering-geological characteristics of the rock masses on the territory of the Republic of Macedonia, Faculty of Natural Sciences and Mathematics, Geological-Mineralogical Institute, University "St. Cyril and Methodius", Skopje, 1974.

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Published

2026-06-01

How to Cite

SEISMOGEOLOGICAL EFFECTS OF STRONG EARTHQUAKES (ML ≥ 6.0) AT THE TERRITORY OF THE REPUBLIC OF NORTH MACEDONIA. (2026). Geologica Macedonica, 40(1), 61-68. https://doi.org/10.46763/