Articles | Volume 18, issue 1
https://doi.org/10.5194/essd-18-1-2026
https://doi.org/10.5194/essd-18-1-2026
Data description paper
 | 
05 Jan 2026
Data description paper |  | 05 Jan 2026

Seismicity catalogue of the entire Chilean margin (18 to 56° S) from an automated approach

Martin Riedel-Hornig, Christian Sippl, Andrés Tassara, Sergio Ruiz, Bertrand Potin, and Jorge Puente

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Cited articles

Adaros, R.: Sismicidad y Tectónica del extremo sur de Chile, Memoria de Magister, Facultad de Ciencias Físicas y Matemáticas, Univ. de Chile, 1–82, https://bibliotecadigital.uchile.cl/discovery/fulldisplay/alma991003601069703936/56UDC_INST:56UDC_INST (last access: 24 November 2025), 2003. 
Ammirati, J. B., Azúa, K., Pastén-Araya, F., Richter, A., Wiens, D. A., Flores, M. C., Ruiz, S. Guzmán-Marín, P. Lanza, F., and Sielfeld, G.: Fault reactivation linked to rapid ice-mass removal from the Southern Patagonian Icefield (48–52° S), Tectonophysics, 230320, https://doi.org/10.1016/j.tecto.2024.230320, 2024. 
Bohm, M., Lüth, S., Echtler, H., Asch, G., Bataille, K., Bruhn, C., Rietbock, A. and Wigger, P.: The Southern Andes between 36 and 40° S latitude: seismicity and average seismic velocities, Tectonophysics, 356, 275–289, https://doi.org/10.1016/S0040-1951(02)00399-2, 2002. 
Bormann, P. (Ed.): New Manual of Seismological Observatory Practice (NMSOP-2), IASPEI, GFZ German Research Centre for Geosciences, Potsdam, https://doi.org/10.2312/GFZ.NMSOP-2, 2012. 
Bormann, P. and Wielandt, E.: Seismic signals and noise, In New manual of seismological observatory practice 2 (NMSOP2), Deutsches GeoForschungsZentrum GFZ, 1–62, https://doi.org/10.2312/GFZ.NMSOP-2_ch4, 2013. 
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Short summary
Seismic networks produce large volumes of data, that are hard to process through traditional methods. Here we create an automatic workflow using machine and deep learning techniques to process five years of data in the western coast of South America. This allows us to detect smaller earthquakes than before, creating a catalogue of seismicity that contains far more events than other regional catalogues.
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