Geodesia aplicada al monitoreo de desplazamientos de una ladera inestable y la influencia de la precipitación, durante el período 2008-2011, Teziutlán, Puebla.

Abstract

In October 1999, a landslide occurred in the neighborhood of La Aurora, Teziutlán, state of Puebla, which resulted in the death of 130 people. During the period 2008-2011, a geodetic network was built on that slope to detect its movements, which is made up of 10 points on it and two remote control stations. In this period of time, we carried out 11 distance measurement campaigns with a total station. Negative displacements between -5 and -19 mm were detected in some points near the 1999 landslide crown, in the rest of the points, the displacement was very small. The displacement velocities are less than 7.3mm per year, which according to the classification of Cruden and Varnes (1996) would place them in level 1, as extremely slow. We calculate correlation coefficients between displacements and meteorological variables from a database of the National Water Commission (CONAGUA), the meteorological station is located near the landslide area, our results do not show significant correlations.