Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)

Ülkü Nagihan Güzelhan; Ekrem Kalkan; Çağlar Özer

Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)

Abstract

Erzurum, located in northeastern Anatolia, is one of Türkiye's most seismically active provinces. The city is situated at the northern end of the tectonically controlled Karasu Basin, and its urbanization is currently progressing towards the basin center. The basin fill consists mostly of volcanic-origin clay, silt, sand, gravel, and blocks, with grain sizes gradually varying from the basin edges to the center. These sediments are expected to be susceptible to local site effects during strong ground motions. Therefore, determining the soil dominant frequency (f) is important, especially for areas with high residential development potential. In this context, a microtremor investigation was conducted at 78 points in the western part of the Atatürk University Campus in Erzurum (Northeast Turkey) using the Horizontal-Vertical Spectral Ratio (HVSR) method. While the soil dominant frequencies were mostly below 1 Hz, local values reached up to 15.4 Hz. Significant H/V amplitude (A) values and low f values were detected in the study area, which is located on alluvial fan deposits. The 0.12-1 Hz range corresponds to relatively long field periods and may be significant for structures whose natural periods overlap with this range. However, structural resonance cannot be assessed solely from the soil dominant frequency and also depends on the structural system and its dynamic characteristics. If this area is opened to construction in the future, a combined assessment of both building and soil-dominant frequencies is crucial. Furthermore, the findings of this passive-source study should be further validated with complementary active-source geophysical investigations.

Keywords

References

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Details

Primary Language

English

Subjects

Marine Geology and Geophysics

Journal Section

Research Article

Authors

Ülkü Nagihan Güzelhan ^* This is me
Türkiye

Ekrem Kalkan
Türkiye

Çağlar Özer
Türkiye

Publication Date

September 4, 2026

Submission Date

June 15, 2026

Acceptance Date

August 26, 2026

Published in Issue

Year 2026 Volume: 8 Number: 2

IZ

https://izlik.org/JA39HG43AY

Cite

RIS / Bibtex

APA

Güzelhan, Ü. N., Kalkan, E., & Özer, Ç. (2026). Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye). International Journal of Earth Sciences Knowledge and Applications, 8(2), 291-305. https://izlik.org/JA39HG43AY

AMA

1.Güzelhan ÜN, Kalkan E, Özer Ç. Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye). IJESKA. 2026;8(2):291-305. https://izlik.org/JA39HG43AY

Chicago

Güzelhan, Ülkü Nagihan, Ekrem Kalkan, and Çağlar Özer. 2026. “Investigation of Soil Dominant Frequency Using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)”. International Journal of Earth Sciences Knowledge and Applications 8 (2): 291-305. https://izlik.org/JA39HG43AY.

EndNote

Güzelhan ÜN, Kalkan E, Özer Ç (September 1, 2026) Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye). International Journal of Earth Sciences Knowledge and Applications 8 2 291–305.

IEEE

[1]Ü. N. Güzelhan, E. Kalkan, and Ç. Özer, “Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)”, IJESKA, vol. 8, no. 2, pp. 291–305, Sept. 2026, [Online]. Available: https://izlik.org/JA39HG43AY

ISNAD

Güzelhan, Ülkü Nagihan - Kalkan, Ekrem - Özer, Çağlar. “Investigation of Soil Dominant Frequency Using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)”. International Journal of Earth Sciences Knowledge and Applications 8/2 (September 1, 2026): 291-305. https://izlik.org/JA39HG43AY.

JAMA

1.Güzelhan ÜN, Kalkan E, Özer Ç. Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye). IJESKA. 2026;8:291–305.

MLA

Güzelhan, Ülkü Nagihan, et al. “Investigation of Soil Dominant Frequency Using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye)”. International Journal of Earth Sciences Knowledge and Applications, vol. 8, no. 2, Sept. 2026, pp. 291-05, https://izlik.org/JA39HG43AY.

Vancouver

1.Ülkü Nagihan Güzelhan, Ekrem Kalkan, Çağlar Özer. Investigation of Soil Dominant Frequency using Single-Station Microtremor Method: A Case Study for Western Part of Atatürk University Campus, Erzurum (NE Türkiye). IJESKA [Internet]. 2026 Sep. 1;8(2):291-305. Available from: https://izlik.org/JA39HG43AY