Metodología de zonificación de amenazas geológicas usando estaciones GPS permanentes del país
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The following work shows the methodology that was used to determine the geological threat zones, which were drawn by weighting the values of the deformation superimposed with the geological map of Colombia. The deformation was calculated from the measurements obtained from the permanent GPS (Global Position System) stations of the Agustín Codazzi Geographical Institute (IGAC). These data were consulted on the SIRGAS website, which are part of the SIRGAS-CON network, which are open to the public and whose study period is between the years 2010 to 2018. The Colombian territory is contained to the northwest of the surface of the South American plate. Being in this area, deformation is generated affected by the interaction of the Nazca and Caribbean plates. In particular, the subduction of the Nazca square generates an effort that we cannot measure, which causes the area in which we live to have a deformation that, if we can monitor, thanks to the permanent measurement of the GPS stations. The areas generated from these infinitesimal deformations were superimposed with the geological map of Colombia and the geological threat zones were determined.