Deep-Learning-Based Earthquake Catalog for the 2010 Mw 8.8 Maule Aftershock Sequence

Version 2.0
Flores-Allende, Rodrigo; Seydoux, Léonard; Beaucé, Éric; Bonilla, Luis Fabián; Gueguen, Philippe; Satriano, Claudio, 2026, "Deep-Learning-Based Earthquake Catalog for the 2010 Mw 8.8 Maule Aftershock Sequence", https://doi.org/10.18715/IPGP.2026.mnhd5fhq, IPGP Research Collection, V2, UNF:6:yNDmP6KzL1INzW8u4Cdv1A== [fileUNF]
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Description
Version 2.0 — This version extends v1.0 by adding the PhaseNet P and S-wave arrival picks in NonLinLoc format (maule_aftershocks_phasenet_picks.zip).

This dataset contains the earthquake catalog, PhaseNet phase picks, and Python scripts associated with Flores-Allende et al. (2026), Fine-Scale Segmentation and Spatiotemporal Variability of the 2010 Mw 8.8 Maule Aftershock Sequence Revealed by a Deep-Learning-Based Earthquake Catalog.

It provides the computational workflow to analyze the 2010 Mw 8.8 Maule aftershock sequence and reproduce the main results of the study.

It includes:
  • The Maule aftershock catalog in CSV format (maule_aftershocks_bpmf_ds01.csv)
  • PhaseNet P and S-wave arrival picks in NonLinLoc format for all detected events (maule_aftershocks_phasenet_picks.zip)
  • Python scripts for local-magnitude calibration and b-value analysis (ml_params_estimator.py, b_values.py, spatial_b_value.py, gutenberg_richter.py)
  • Documentation of the end-to-end processing chain: BPMF detection, PhaseNet phase picking, BeamPower backprojection, NonLinLoc + SSST + waveform-coherence relocation, SourceSpec moment-magnitude estimation, local-magnitude joint inversion, and b-value analysis
Seismic waveforms and third-party software are not redistributed. References and DOIs to the original data centers (EPOS-France, IRIS, GEOFON) and open-source tools such as BPMF, NonLinLoc, and SourceSpec are provided instead. (2026-04-02)
Subject Earth and Environmental Sciences
Keyword Seismology, Subduction Zone, Machine Learning, Earthquake Catalog, Chile
Related Publication How to cite this article: Flores-Allende, R., Seydoux, L., Beaucé, É., Bonilla, L. F., Gueguen, P., & Satriano, C. (2026). Fine-scale segmentation and spatiotemporal variability of the 2010 Mw 8.8 Maule aftershock sequence revealed by a deep-learning-based earthquake catalog. Journal of Geophysical Research: Solid Earth, 131, e2026JB034262. https://doi.org/10.1029/2026JB034262 doi: 10.1029/2026JB034262
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maule_aftershocks_phasenet_picks.zip
ZIP Archive - 131.3 MB
Published May 22, 2026
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MD5: 4d3d4332303b3db1bb6193c324d122cf
PhaseNet P and S-wave arrival picks for the 2010 Maule, Chile aftershock sequence (2010/03/12 – 2011/01/21)
README.txt
Plain Text - 4.5 KB
Published May 22, 2026
2 Downloads
MD5: c123d8b211f748d78d5d088a196c9b31
Preview "README.txt"
maule_aftershocks_bpmf_ds01.tab
Tabular Data - 78.3 MB
Published Apr 8, 2026
7 Downloads
19 Variables, 537387 Observations UNF:6:yNDmP6KzL1INzW8u4Cdv1A==
b_values.py
Python Source Code - 17.2 KB
Published Apr 8, 2026
8 Downloads
MD5: 11aeff7231c8116077b653545622adc6
gutenberg_richter.py
Python Source Code - 7.4 KB
Published Apr 8, 2026
6 Downloads
MD5: 9a09953b279219f6672f26cb811f333f
ml_params_estimator.py
Python Source Code - 12.9 KB
Published Apr 8, 2026
8 Downloads
MD5: b2c4cdaf3229e7df522cad9be5caa68e
spatial_b_value.py
Python Source Code - 18.4 KB
Published Apr 8, 2026
7 Downloads
MD5: e7585a1c3a099fef208347ae7e347dce
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