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October 20, 2025BULETIN OSEANOGRAFI MARINAOpen Access

Utilization of Satellite Imagery and Integration of the HVSR Inversion Method for Coastline Changes in the Nangai Beach Tourism Area, North Bengkulu Regency

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Analysis reveals shoreline changes due to abrasion in Nangai Beach, indicating potential vulnerabilities.

Shoreline changes were observed ranging from 17 to 35.63 meters and 33.87 meters at specific points along Nangai Beach.
Data collected from 30 points shows that the shoreline condition is stable to vulnerable, highlighting the risk of abrasion.
The HVSR method provides essential values for understanding seismic vulnerability and sediment layer thickness in the area.
3D modeling software interprets rock layers visually using shear wave velocities to assess abrasion risk comprehensively.

Helinnes et al. (2025) studied this question.

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