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Minería y Geología

versión On-line ISSN 1993-8012

Resumen

VEGA-GARRIGA, Nicolás et al. Assessment of seismicity causes originated in the central provinces of Cuba. Min. Geol. [online]. 2022, vol.38, n.1, pp.24-38.  Epub 31-Mar-2022. ISSN 1993-8012.

During the last decade, in several localities of the Cuban provinces of Matanzas, Villa Clara, Cienfuegos and Sancti Spíritus, seismic movements have been perceived, causing great concern on their population and institutional managers. The purpose of this research was to evaluate the possible causes of the seismicity originating in the aforementioned provinces based on the analysis of the Cuban seismic catalogues and the available geological and geophysical articles and reports. It was possible to reveal that release of seismic energy accumulated in the rocks is the cause of reactivating regional and minor order faults, what justifies the seismicity in this zone. The different performance of seismic activity recorded in these territories is due to the unequal response to tensions accumulated mainly by the geological-tectonic complexity and its relationship or not with gravitational and isostatic blocks.

Palabras clave : seismicity; Cuban regional faults; seismotectonic; central Cuba.

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