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September 10, 2025RekayasaOpen Access

Evaluation of Seismic Vulnerability Index and Soil Classification in Sleman Regency Based on Microtremor Analysis and the HVSR Method

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Microtremor analysis reveals low to moderate seismic vulnerability and diverse soil classifications in Sleman Regency.

The seismic vulnerability index in Sleman Regency ranges from 0.010 to 12.060, indicating low to moderate damage potential.
Microtremor measurements identified dominant frequencies from 0.713 Hz to 18.006 Hz with amplification values between 0.569 and 4.193.
Observational analysis at 27 measurement points employed the HVSR method and Rayleigh wave ellipticity inversion for soil profiling.
Findings suggest implications for seismic microzonation and urban planning to enhance resilience against seismic risks.

Widyantari et al. (2023) studied this question.

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