What question did this study set out to answer?

This research aims to create a unified earthquake catalog for continental Chile by integrating multiple datasets and evaluating declustering algorithms.

July 15, 2026Seismological Research Letters

A Homogenized and Declustered Earthquake Catalog for Continental Chile

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Authors

GCGabriel CandiaUniversidad del Desarrollo JMJorge MacedoGeorgia Institute of Technology

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Implication

Randomized trial evaluates earthquake catalog methods in Chile, suggesting effective seismic hazard assessment.

Key Points

This research aims to create a unified earthquake catalog for continental Chile by integrating multiple datasets and evaluating declustering algorithms.
Integrated 12 global, regional, and historical earthquake datasets into a single catalog.
Critically evaluated four declustering algorithms for effectiveness in processing aftershocks.
Documented the workflow to enable replication for other regions.
The declustering results indicate consistent recurrence estimates across aggregated scales.
Divergence occurs in regions with significant aftershock sequences, affecting magnitude recurrence parameters.
The proposed workflow is reproducible for constructing regional earthquake catalogs.

Cite This Study

Candia et al. (2026) studied this question.

synapsesocial.com/papers/6a57239488b21df87548040c https://doi.org/10.1785/0220250449

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A Homogenized and Declustered Earthquake Catalog for Continental Chile

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Key Points

Cite This Study

A Homogenized and Declustered Earthquake Catalog for Continental Chile

Discussion

Member takes

Implication

Key Points

Cite This Study

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