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DYNA

versão impressa ISSN 0012-7353

Resumo

SANCHEZ-ARREDONDO, Luis Hernán  e  GIRALDO-BOLIVAR, Orlando. Potential for geologically active faults Department of Antioquia, Colombia. Dyna rev.fac.nac.minas [online]. 2014, vol.81, n.185, pp.24-27. ISSN 0012-7353.  http://dx.doi.org/10.15446/dyna.v81n185.34841.

A geostatistics module (mg95) was determined based on geostatistical studies of global estimations of seismicity data reported by the National Seismological Network of Colombia [Red Sismológica Nacional de Colombia (RSNC)]. It enabled the level of activity of the cortical fault in the Department of Antioquia (DA), Colombia to be categorized. The mg95 relates the estimated values with polygonal kriging and the corresponding error for each one of the municipalities of Antioquia, with a Student parameter at 95% confidence, dependant on the number of microseisms registered locally. The following categorization scale is proposed to determine the levels of active faults in each municipality: proved active fault mg95∈[0-0.2], probable active fault mg95∈[0.2-0.3], and possible active fault mg95 > 0.3.

Palavras-chave : seismology; geostatistics module; active faults; Colombia.

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