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A Chilean seismic regionalization through a Kohonen neural network

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Abstract

Through this paper we are presenting a study of seismic regionalization for continental Chile based on a neural network. A scenario with six seismic regions is obtained, irrespective of the size of the neighborhood or the range of the correlation between the cells of the grid. Unlike conventional seismic methods, our work manages to generate seismic regions tectonically valid from sparse and non-redundant information, which shows that the self-organizing maps are a valuable tool in seismology. The high correlation between the spatial distribution of the seismic zones and geological data confirms that the fields chosen for structuring the training vectors were the most appropriate.

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Acknowledgments

JR wants to thank TGT for the support through grant number 2122 and 2123. VHC wants to thank Rafael Valdivia for useful discussions.

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Authors and Affiliations

  1. TGT, San Renato 217, Los Andes, Chile

    Jorge Reyes

  2. Departamento de Física y Astronomía, Universidad de Valparaíso, Av. Gran Bretana 1111, Valparaíso, Chile

    Víctor H. Cárdenas

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  1. Jorge Reyes
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  2. Víctor H. Cárdenas
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Correspondence to Víctor H. Cárdenas.

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Reyes, J., Cárdenas, V.H. A Chilean seismic regionalization through a Kohonen neural network. Neural Comput & Applic 19, 1081–1087 (2010). https://doi.org/10.1007/s00521-010-0373-9

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  • DOI: https://doi.org/10.1007/s00521-010-0373-9

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