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September 10, 2025RekayasaOpen Access

Seismic Vulnerability Microzonation Based on Dominant Frequency and Amplification Using the HVSR Method in Wedi, Changewaro (Klaten) and Gendangsari (Yogyakarta)

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Assessment reveals seismic vulnerability based on dominant frequency and amplification in various soil types, highlighting potential risks.

Dominant frequency values ranged from 0.668 Hz to 18.271 Hz, indicating varying soil compositions.
Amplification measurements were between 1.03 and 8.36, placing the area in a low amplification zone.
Seismic vulnerability index showed moderate vulnerability, suggesting potential for moderate damage during earthquakes.
Shear wave velocity measurements ranged from 179.64 m/s to 681.82 m/s, indicating diverse soil conditions.

Limayukha et al. (2022) studied this question.

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Assessment reveals seismic vulnerability based on dominant frequency and amplification in various soil types, highlighting potential risks.