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September 5, 2025Open Access

Seismic and Landslide Hazard Assessment Using Iterative Observation DInSAR: Insights from the 2022 Mw 6.1 Pasaman Earthquake, Indonesia

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This analysis reveals progressive ground deformation and landslides in Indonesia, indicating the value of DInSAR for assessing seismic hazards.

Progressive interferometric fringes indicated significant vertical deformation prior to the Pasaman earthquake, leading to landslides on Mount Talamau.
The analysis found a root mean square error (RMSE) of 0.009 m when validating vertical displacement estimates against CORS geodetic data.
By employing an iterative approach, the study enhances insight into earthquake-induced instability compared to traditional DInSAR methods.
The findings suggest that DInSAR analysis can significantly improve disaster risk reduction strategies in tectonically active regions.

Stevany et al. (2025) studied this question.

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This analysis reveals progressive ground deformation and landslides in Indonesia, indicating the value of DInSAR for assessing seismic hazards.