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Authors: Colangelo, G.*
Heinicke, J.*
Koch, U.*
Lapenna, V.*
Martinelli, G.*
Telesca, L.*
Title: Results of gas flux records in the seismically active area of Val d'Agri (Southern Italy)
Issue Date: 2005
Series/Report no.: 48 (1)
Keywords: fluids
gas emissions
flux anomalies
Abstract: The Val d Agri area is well-known for oil exploration. An old 500 m deep exploration well in the northern part of this area has been used for long-term hydrogeochemical investigations. The well is characterized by a discharge of about 500 L/min of thermal water (27.8°C) and a simultaneous methane gas emission of about 200 L/min. Gas analyses gave evidence that the methane come from a multiple deep reservoir. Continuous records of gas emission showed some anomalous variations occurred during the past three years. The gas flux anomalies were in a distinctive coincidence with self-potential anomalies of one station close to the hydrogeochemical station. The present paper describes the interpretation of these anomalies in relation to the geodynamic activity in the area.
Appears in Collections:Annals of Geophysics

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