Flow Changes and Geochemical Anomalies in Warm and Cold Springs Associated with the 1992–1994 Seismic Sequence at Pollina, Central Sicily, Italy

  • Rocco Favara
  • Fausto Grassa
  • Paolo Madonia
  • Mariano Valenza
Part of the Pageoph Topical Volumes book series (PTV)


During a three-year discontinuous geochemical monitoring of some warm springs and cold discharges located in central-northern Sicily, some hydro-geochemical changes were observed. Excluding a possible related to a moderate seismic activity were accidentally identified. The observed anomalies showed amplitudes that were modulated by the different geometries and volumes of the feeding aquifers. A poroelastic aquifer contraction, a shaking-induced dilatancy theory as well as seismogenetic-induced changes in the properties of the aquifers have been proposed as possible mechanisms for the water flow and hydro-geochemical changes. These preliminary results could be used to design a monitoring network aimed at surveilling the seismic activity of the studied area from a geochemical standpoint.


Earthquake Prediction Flow Change Geochemical Parameter Geochemical Anomaly Crustal Stress 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Birkhäuser Verlag, Basel 2007

Authors and Affiliations

  • Rocco Favara
    • 1
  • Fausto Grassa
    • 1
  • Paolo Madonia
    • 1
  • Mariano Valenza
    • 2
  1. 1.Istituto Nazionale di Geofisica e Vulcanologia- Section of PalermoPalermoItaly
  2. 2.Dipartimento CFTAUniversity of PalermoPalermoItaly

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