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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 11 | Copyright

Special issue: New observing strategies for monitoring natural and technological...

Nat. Hazards Earth Syst. Sci., 15, 2585-2595, 2015
https://doi.org/10.5194/nhess-15-2585-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 30 Nov 2015

Research article | 30 Nov 2015

The Verdesca landslide in the Agri Valley (Basilicata, southern Italy): a new geological and geomorphological framework

E. Gueguen1, M. Bentivenga2, R. Colaiacovo1, S. Margiotta1, V. Summa1, and I. Adurnoa,† E. Gueguen et al.
  • 1Institute of Methodologies for Environmental Analysis, Italian National Council for Research, Tito Scalo (PZ), Italy
  • 2Department Of Sciences, University of Basilicata, Potenza, Italy
  • aformerly at: Institute of Methodologies for Environmental Analysis, Italian National Council for Research, Tito Scalo (PZ), Italy
  • deceased

Abstract. A landslide, to the west of Montemurro (a small village in southern Italy), has recently caused damage to buildings and other infrastructure in an urbanized area; as a result the development of new economic activities has been prohibited. The landslide phenomenon started in the last century and has been studied since the 1990s using classical geotechnical methods; however the sliding body continues to move. This paper presents the results of a study carried out using field surveys, geognostic investigations and TDR (time domain reflectometry) measurements in order to reconstruct the stratigraphy of the sediments involved and to further understand the geological and geomorphological context of the slope. This study is part of a larger multidisciplinary project, the results of which will also be presented in this paper. The landslide (rotational slide in the upper sector, developing into a translational slide in the lower part) affects Quaternary continental clastic deposits resting on a bedrock formed by Tertiary siliciclastic sediments of the Gorgoglione Flysch. TDR measurements did not show any significant movement during the period monitored (January 2013–January 2014). Slip zone geometries were hypothesized using inclinometric measurements taken from previous studies, stratigraphic data and geomorphological interpretations of topographic scarps. Feedback from monitoring will confirm this hypothesis.

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A landslide, to the west of Montemurro (southern Italy), has recently caused damage to buildings and other infrastructure in an urbanized area. In this paper, we present the results of a study carried out using field surveys, geognostic investigations and TDR measurements in order to reconstruct the stratigraphy of the sediments involved and to further understand the geological and geomorphological context of the slope.
A landslide, to the west of Montemurro (southern Italy), has recently caused damage to buildings...
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