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September 10, 2025Desimal Jurnal MatematikaOpen Access

Cluster analysis of Sumatra Island earthquake distribution

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Cluster analysis reveals five earthquake clusters in Sumatra, highlighting risks from seismic sources including subduction zones.

The analysis identified five earthquake clusters in Sumatra, indicating varying levels of risk across the region.
Cluster 4 exhibited 3,787 events but typically generated lower magnitudes, resulting in less damage than other clusters.
Cluster 2 is particularly concerning due to its shallow earthquakes related to subduction zones and volcanic activity.
This clustering analysis aids government planning for effective earthquake risk mitigation and preparedness strategies.

Anggraini et al. (2024) studied this question.

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